NOTE: Even though we have g711ulaw configured under voice register pool for jabber client, in the INVITE message from Jabber client we always see g729 codec.
Config: ! voice register pool 1 registration-timer max 720 min 660 id mac 30F7.C583.E8D8 session-transport tcp type CiscoMobile-iOS number 1 dn 1 dtmf-relay sip-notify Codec g711ulaw username 6810 password cisco !
++++CME sends 488 Not Acceptable Media in response, since under voice register pool we had only g711 configured. SIP_UNACCEPTABLE_MEDIA_ERR Mar 2 08:30:29.458: //15204/37EECCC3BF4A/SIP/Error/sipSPIContinueNewMsgInvite: Unacceptable media indicated for INVITE
Sent: SIP/2.0 488 Not Acceptable Media Via: SIP/2.0/TCP 192.168.131.197:63438;branch=z9hG4bK3451ff19 From: "118216801" <sip:email@example.com>;tag=000000000000005800f06918-2783a723 To: <sip:firstname.lastname@example.org>;tag=46749EC-1C3A Date: Mon, 02 Mar 2015 08:30:29 GMT Call-ID: email@example.com CSeq: 101 INVITE Allow-Events: telephone-event Warning: 304 192.168.131.253 "Media Type(s) Unavailable" Reason: Q.850;cause=65 Server: Cisco-SIPGateway/IOS-12.x Content-Length: 0
++++After Disabling the Low bandwidth option on Jabber client. Config: ! voice register pool 1 registration-timer max 720 min 660 id mac 30F7.C583.E8D8 session-transport tcp type CiscoMobile-iOS number 1 dn 1 dtmf-relay sip-notify voice class codec 1 username 6810 password cisco ! voice class codec 1 codec preference 1 g711ulaw codec preference 2 g711alaw codec preference 3 g729r8 !
+++We can see now, Jabber client sending now all the configured codecs in the INVITE message to CME for outbound call.
NOTE: Make sure we do "create profile" under "voice register global" and restart the jabber application, every time a change is made under "voice register pool"
====Fix==== -Disable low bandwidth option on Jabber on iPhone IOS -We can keep low bandwidth option on jabber, but then g729 codec as to be there under voice register pool or voice-class codec applied on the voice register pool. So all the calls from/to Jabber client will be on g729 codec.
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