Linphone on BlackBerry呼叫xlite报错问题的解决
Linphone on BlackBerry拨打xlite客户端 on Windows，报错如下：
Linphone客户端：Linphone Call failure[Unavailable]
Asterisk CLI： [Mar 28 14:52:26] NOTICE[3116]: chan_sip.c:8895 process_sdp: No compatible codecs, not accepting this offer!
环境：
Asterisk 1.8.6 on CentOS 5.8, compiled with amr codec
Linphone on BlackBerry 9900, WiFi, 3G
解决办法：
vi sip_general_additional.conf
修改
disallow=all
allow=ulaw
allow=alaw
为
allow=all
重新启动Asterisk
======================================================
======================================================以下为收集的日志：
asterisk -rvvvvvvvvvv
== Using SIP RTP TOS bits 184
== Using SIP RTP CoS mark 5
[Mar 28 14:52:26] NOTICE[3116]: chan_sip.c:8895 process_sdp: No compatible codecs, not accepting this offer!
======================================================
tcpdump -nqt -s 0 -A -i eth0 port 5060 |grep AMR
call from linphone
a=rtpmap:114 AMR/8000/1
======================================================
tcpdump -nqt -s 0 -A -i eth0 port 5060 |grep AMR
call from xlite
a=rtpmap:119 BV32-FEC/16000
a=rtpmap:107 BV32/16000
a=rtpmap:100 SPEEX/16000
a=rtpmap:106 SPEEX-FEC/16000
a=rtpmap:97 SPEEX/8000
a=rtpmap:105 SPEEX-FEC/8000
a=rtpmap:98 iLBC/8000
a=rtpmap:102 L16/16000
a=rtpmap:101 telephone-event/8000
a=rtpmap:119 BV32-FEC/16000
a=rtpmap:107 BV32/16000
a=rtpmap:100 SPEEX/16000
a=rtpmap:106 SPEEX-FEC/16000
a=rtpmap:97 SPEEX/8000
a=rtpmap:105 SPEEX-FEC/8000
a=rtpmap:98 iLBC/8000
a=rtpmap:102 L16/16000
a=rtpmap:101 telephone-event/8000
======================================================
tcpdump -nqt -s 0 -A -i eth0 port 5060 |grep AMR
call from xlite, bluetooth phone pickuped
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
======================================================