<div dir="ltr"><div style=""><div style=""><span style="font-size:12.8px">Hi there.</span></div><div style=""><span style="font-size:12.8px"><br></span></div><div style=""><span style="font-size:12.8px">In our network we used several ONT Huawei models. But with one model HUAWEI-EchoLife HG8245 / V1R003C00S205 we have the following problem. When connecting to this device in the POTS ports of the two phones. From the first port we can not call to the second and from the second port can not call to the first port. On the other ONT Huawei devices, there is no such problem. Earlier we had set OpenSIP and this device did not have a problem.</span></div><div style=""><span style="font-size:12.8px"><br></span></div><div style=""><span style="font-size:12.8px">The problem is likely in the configuration because it works at the default settings.</span></div><div style=""><span style="font-size:12.8px"><br></span></div><div style=""><span style="font-size:12.8px">kamailio -v</span></div><div style=""><span style="font-size:12.8px"><br></span></div><div style=""><span style="font-size:12.8px">Version: kamailio 4.3.3 (x86_64/linux) f69971</span></div><div style=""><span style="font-size:12.8px"><br></span></div><div style=""><span style="font-size:12.8px">/var/log/kamailio</span></div><div style=""><span style="font-size:12.8px"><br></span></div><div style=""><span style="font-size:12.8px">May 17 10:53:21 kamailio /usr/local/sbin/kamailio[17875]: INFO: <script>: Callee '123456' is local - M=INVITE RURI=<a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a> F=<a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a> T=<a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a> IP=10.14.197.13</span></div><div style=""><span style="font-size:12.8px">5 ID=<a href="mailto:lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100">lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100</a></span></div><div style=""><span style="font-size:12.8px">May 17 10:53:21 kamailio /usr/local/sbin/kamailio[17875]: INFO: <script>: Call control: dst user '123456' currently has [0/2] active calls - M=INVITE RURI=<a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a> F=<a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a> T=si</span></div><div style=""><span style="font-size:12.8px"><a href="mailto:p%3A123456@10.10.10.200">p:123456@10.10.10.200</a> IP=10.10.10.100 ID=<a href="mailto:lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100">lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100</a></span></div><div style=""><span style="font-size:12.8px">May 17 10:53:21 kamailio /usr/local/sbin/kamailio[17875]: INFO: <script>: Normalize source: <a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a>  -> <a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a> </span></div><div style=""><span style="font-size:12.8px">May 17 10:53:21 kamailio /usr/local/sbin/kamailio[17875]: INFO: <script>: Request leaving server - M=INVITE RURI=sip:123456@10.10.10.100:5060;transport=udp F=<a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a> T=<a href="mailto:sip%3A123456@178.168.4.">sip:123456@178.168.4.</a></span></div><div style=""><span style="font-size:12.8px">37 IP=10.10.10.100 ID=<a href="mailto:lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100">lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100</a></span></div><div style=""><span style="font-size:12.8px">May 17 10:53:22 kamailio /usr/local/sbin/kamailio[17873]: INFO: <script>: Reply - S=100 D=Trying F=<a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a> T=<a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a> IP=10.10.10.100 ID=lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.1</span></div><div style=""><span style="font-size:12.8px">4.197.135</span></div><div style=""><span style="font-size:12.8px">May 17 10:53:22 kamailio /usr/local/sbin/kamailio[17861]: INFO: <script>: Reply - S=481 D=Call/Transaction Does Not Exist F=<a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a> T=<a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a> IP=10.10.10.100 ID=<a href="mailto:lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100">lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100</a></span></div><div style=""><span style="font-size:12.8px"><br></span></div><div style=""><span style="font-size:12.8px">sngrep</span></div><div style=""><span style="font-size:12.8px"><br></span></div><div style=""><div style="font-size:12.8px">2016/05/17 10:53:21.514702 <a href="http://10.10.10.100:5060">10.10.10.100:5060</a> -> <a href="http://10.10.10.200:5060">10.10.10.200:5060</a>                                                                                                                                                  </div><div style="font-size:12.8px">INVITE <a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a> SIP/2.0                                                                                                                                                                           </div><div style="font-size:12.8px">Via: SIP/2.0/UDP 10.10.10.100:5060;branch=z9hG4bKz4j0izm0i8jcn2pmlkm4c24cz                                                                                                                                         </div><div style="font-size:12.8px">Route: <sip:10.10.10.200:5060;transport=udp;lr>                                                                                                                                                                     </div><div style="font-size:12.8px">Call-ID: <a href="mailto:lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100">lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100</a>                                                                                                                                                             </div><div style="font-size:12.8px">From: <<a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a>>;tag=pk4nzz3j                                                                                                                                                                        </div><div style="font-size:12.8px">To: <<a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a>>                                                                                                                                                                                    </div><div style="font-size:12.8px">CSeq: 1 INVITE                                                                                                                                                                                                      </div><div style="font-size:12.8px">Contact: <sip:654321@10.10.10.100:5060;transport=udp>                                                                                                                                                              </div><div style="font-size:12.8px">Supported: 100rel,replaces,timer,privacy,in-dialog                                                                                                                                                                  </div><div style="font-size:12.8px">Session-Expires: 1800                                                                                                                                                                                               </div><div style="font-size:12.8px">Accept: application/sdp,application/simservs+xml                                                                                                                                                                    </div><div style="font-size:12.8px">Min-SE: 90                                                                                                                                                                                                          </div><div style="font-size:12.8px">Accept-Encoding: identity                                                                                                                                                                                           </div><div style="font-size:12.8px">Accept-Language: en                                                                                                                                                                                                 </div><div style="font-size:12.8px">Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,PRACK,SUBSCRIBE,NOTIFY,UPDATE,MESSAGE,REFER                                                                                                                      </div><div style="font-size:12.8px">Max-Forwards: 70                                                                                                                                                                                                    </div><div style="font-size:12.8px">User-Agent: HUAWEI-EchoLife HG8245/V1R003C00S205                                                                                                                                                                    </div><div style="font-size:12.8px">Session-ID: 20zlkckj1kz4ll1i1ic2pl1csk80kli1                                                                                                                                                                        </div><div style="font-size:12.8px">Content-Length: 318                                                                                                                                                                                                 </div><div style="font-size:12.8px">Content-Type: application/sdp</div><div style=""><span style="font-size:12.8px"><br></span></div><div>2016/05/17 10:53:21.590008 <a href="http://10.10.10.100:5060">10.10.10.100:5060</a> -> <a href="http://10.10.10.200:5060">10.10.10.200:5060</a>                                                                                                                                                  </div><div>INVITE <a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a> SIP/2.0                                                                                                                                                                           </div><div>Via: SIP/2.0/UDP 10.10.10.100:5060;branch=z9hG4bK0lz4ll1ikm1k02p20lz4ll1il                                                                                                                                         </div><div>Route: <sip:10.10.10.200:5060;transport=udp;lr>                                                                                                                                                                     </div><div>Call-ID: <a href="mailto:lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100">lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100</a>                                                                                                                                                             </div><div>From: <<a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a>>;tag=pk4nzz3j                                                                                                                                                                        </div><div>To: <<a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a>>                                                                                                                                                                                    </div><div>CSeq: 2 INVITE                                                                                                                                                                                                      </div><div>Contact: <sip:654321@10.10.10.100:5060;transport=udp>                                                                                                                                                              </div><div>Supported: 100rel,replaces,timer,privacy,in-dialog                                                                                                                                                                  </div><div>Session-Expires: 1800                                                                                                                                                                                               </div><div>Accept: application/sdp,application/simservs+xml                                                                                                                                                                    </div><div>Min-SE: 90</div><div>Proxy-Authorization: Digest username="654321",realm="10.10.10.200",nonce="VzrPHVc6zfEYftiGlJYC9XLb4ixCZtQB",uri="<a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a>",response="55e03b278f1cbdda52852004bbc8d7c9",algorithm=MD5,cnonce="0f31d</div><div>b",qop=auth,nc=00000006                                                                                                                                                                                             </div><div>Accept-Encoding: identity                                                                                                                                                                                           </div><div>Accept-Language: en                                                                                                                                                                                                 </div><div>Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,PRACK,SUBSCRIBE,NOTIFY,UPDATE,MESSAGE,REFER                                                                                                                      </div><div>Max-Forwards: 70                                                                                                                                                                                                    </div><div>User-Agent: HUAWEI-EchoLife HG8245/V1R003C00S205                                                                                                                                                                    </div><div>Session-ID: 20zlkckj1kz4ll1i1ic2pl1csk80kli1                                                                                                                                                                        </div><div>Content-Length: 318                                                                                                                                                                                                 </div><div style="">Content-Type: application/sdp</div><div style=""><span style="font-size:12.8px"><br></span></div><div>2016/05/17 10:53:21.642831 <a href="http://10.10.10.200:5060">10.10.10.200:5060</a> -> <a href="http://10.10.10.100:5060">10.10.10.100:5060</a>                                                                                                                                                  </div><div>INVITE sip:123456@10.10.10.100:5060;transport=udp SIP/2.0                                                                                                                                                          </div><div>Record-Route: <sip:10.10.10.200;lr=on;ftag=pk4nzz3j;nat=yes;did=925.a5a1;vst=AAAAAAkLCwgLCnEDBHgfBg4WHwIWHQMuMzc-;vsf=AAAAAAkLAwgLAnEDBHgfBg4WHwIWHQMuMzc->                                                         </div><div>Via: SIP/2.0/UDP 10.10.10.200;branch=z9hG4bKd55d.f4d5d1ee3d090fe847af101d0a47ac5e.0                                                                                                                                 </div><div>Via: SIP/2.0/UDP 10.10.10.100:5060;rport=5060;branch=z9hG4bK0lz4ll1ikm1k02p20lz4ll1il                                                                                                                              </div><div>Call-ID: <a href="mailto:lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100">lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100</a>                                                                                                                                                             </div><div>From: "654321" <<a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a>>;tag=pk4nzz3j                                                                                                                                                         </div><div>To: <<a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a>>                                                                                                                                                                                       </div><div>CSeq: 2 INVITE                                                                                                                                                                                                      </div><div>Contact: <sip:654321@10.10.10.100:5060;transport=udp>                                                                                                                                                              </div><div>Supported: 100rel,replaces,timer,privacy,in-dialog                                                                                                                                                                  </div><div>Session-Expires: 1800                                                                                                                                                                                               </div><div>Accept: application/sdp,application/simservs+xml                                                                                                                                                                    </div><div>Min-SE: 90                                                                                                                                                                                                          </div><div>Accept-Encoding: identity                                                                                                                                                                                           </div><div>Accept-Language: en                                                                                                                                                                                                 </div><div>Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,PRACK,SUBSCRIBE,NOTIFY,UPDATE,MESSAGE,REFER                                                                                                                      </div><div>Max-Forwards: 69                                                                                                                                                                                                    </div><div>User-Agent: HUAWEI-EchoLife HG8245/V1R003C00S205                                                                                                                                                                    </div><div>Content-Length: 334                                                                                                                                                                                                 </div><div>Content-Type: application/sdp                                                                                                                                                                                       </div><div style="">P-Asserted-Identity: <<a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a>></div><div style=""><span style="font-size:12.8px"><br></span></div><div>2016/05/17 10:53:22.121872 <a href="http://10.10.10.200:5060">10.10.10.200:5060</a> -> <a href="http://10.10.10.100:5060">10.10.10.100:5060</a>                                                                                                                                                  </div><div>INVITE sip:123456@10.10.10.100:5060;transport=udp SIP/2.0                                                                                                                                                          </div><div>Record-Route: <sip:10.10.10.200;lr=on;ftag=pk4nzz3j;nat=yes;did=925.a5a1;vst=AAAAAAkLCwgLCnEDBHgfBg4WHwIWHQMuMzc-;vsf=AAAAAAkLAwgLAnEDBHgfBg4WHwIWHQMuMzc->                                                         </div><div>Via: SIP/2.0/UDP 10.10.10.200;branch=z9hG4bKd55d.f4d5d1ee3d090fe847af101d0a47ac5e.0                                                                                                                                 </div><div>Via: SIP/2.0/UDP 10.10.10.100:5060;rport=5060;branch=z9hG4bK0lz4ll1ikm1k02p20lz4ll1il                                                                                                                              </div><div>Call-ID: <a href="mailto:lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100">lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100</a>                                                                                                                                                             </div><div>From: "654321" <<a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a>>;tag=pk4nzz3j                                                                                                                                                         </div><div>To: <<a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a>>                                                                                                                                                                                       </div><div>CSeq: 2 INVITE                                                                                                                                                                                                      </div><div>Contact: <sip:654321@10.10.10.100:5060;transport=udp>                                                                                                                                                              </div><div>Supported: 100rel,replaces,timer,privacy,in-dialog                                                                                                                                                                  </div><div>Session-Expires: 1800                                                                                                                                                                                               </div><div>Accept: application/sdp,application/simservs+xml                                                                                                                                                                    </div><div>Min-SE: 90                                                                                                                                                                                                          </div><div>Accept-Encoding: identity                                                                                                                                                                                           </div><div>Accept-Language: en                                                                                                                                                                                                 </div><div>Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,PRACK,SUBSCRIBE,NOTIFY,UPDATE,MESSAGE,REFER                                                                                                                      </div><div>Max-Forwards: 69                                                                                                                                                                                                    </div><div>User-Agent: HUAWEI-EchoLife HG8245/V1R003C00S205                                                                                                                                                                    </div><div>Content-Length: 334                                                                                                                                                                                                 </div><div>Content-Type: application/sdp                                                                                                                                                                                       </div><div style="">P-Asserted-Identity: <<a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a>></div><div style=""><span style="font-size:12.8px"><br></span></div><div>2016/05/17 10:53:22.996850 <a href="http://10.10.10.100:5060">10.10.10.100:5060</a> -> <a href="http://10.10.10.200:5060">10.10.10.200:5060</a>                                                                                                                                                  </div><div>SIP/2.0 481 Call/Transaction Does Not Exist                                                                                                                                                                         </div><div>Via: SIP/2.0/UDP 10.10.10.200;branch=z9hG4bKd55d.f4d5d1ee3d090fe847af101d0a47ac5e.0,SIP/2.0/UDP 10.10.10.100:5060;branch=z9hG4bK0lz4ll1ikm1k02p20lz4ll1il;rport=5060                                               </div><div>Call-ID: <a href="mailto:lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100">lps4s2204mz4ll1i4mz4ll1ici0lc81i@10.10.10.100</a>                                                                                                                                                             </div><div>From: "654321"<<a href="mailto:sip%3A654321@10.10.10.200">sip:654321@10.10.10.200</a>>;tag=pk4nzz3j                                                                                                                                                          </div><div>To: <<a href="mailto:sip%3A123456@10.10.10.200">sip:123456@10.10.10.200</a>>;tag=m2scp1cm                                                                                                                                                                          </div><div>CSeq: 2 INVITE                                                                                                                                                                                                      </div><div>Warning: 399 10.10.10.100 "SS100006F143L3557[05552] No Dialog match"                                                                                                                                               </div><div>User-Agent: HUAWEI-EchoLife HG8245/V1R003C00S205                                                                                                                                                                    </div><div style="">Content-Length: 0<span style="font-size:12.8px">                                                                                                                                                                                  </span></div></div></div><div style="font-size:12.8px"><div style="font-size:12.8px"><br></div></div><div style="font-size:12.8px"><br></div></div>