<div> I'm a beginner at openser.</div>
<div> </div>
<div> What does the variable 'af' stand for?And what is the value of the optional?</div>
<div> </div>
<div> Thanks!</div>
<div> </div>
<div> </div>
<div> 313 # Comment out three lines below if you want<br> 314 # RTP for IPv4->IPv4 calls to go directly<br> 315 # between UAs<br> 316 if (<font color="#ff0000">af</font> == inet) {<br> 317 force_rtp_proxy("faii");<br>
318 t_on_reply("1");<br> 319 }<br> 320 # proxy session from a Internal IPv4<br> 321 # phone to a External IPv6 address<br> 322 if (<font color="#ff0000">af</font> == inet6) {<br>
323 force_rtp_proxy("faie");<br> 324 t_on_reply("1");<br> 325 }<br> 326 }<br> 327 <br> 328 else if (lookup("location_inet6")) {<br>
329 # proxy session from a External IPv6<br> 330 # phone to a Internal IPv4 address<br> 331 if (<font color="#ff0000">af </font>== inet) {<br> 332 force_rtp_proxy("faei");<br>
333 t_on_reply("1");<br> 334 }<br> 335 <br> 336 # Comment out three lines below if you want<br> 337 # RTP for IPv6->IPv6 calls to go directly<br> 338 # between UAs<br>
339 if (<font color="#ff0000">af </font>== inet6) {<br> 340 force_rtp_proxy("faee");<br> 341 t_on_reply("1");<br> 342 }</div>