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drlin2000
Enthusiast

Remote Jabber no ringback?

I have CUCM 10.5,Jabber 10.6,Expressway-C&E 8.5.1,H.323 Gateway Route2911 15.4

I can call a number,but it`s no sound(no ringback),Then suddenly pick up...

Route is~

Jabber >Expressway-E&C>CUCM>Route2911>Pri E1

 

How can I do?

 

7 REPLIES 7
Manish Gogna
Cisco Employee

Hi,

It could be the following bug which is not fixed yet

https://tools.cisco.com/bugsearch/bug/CSCua72781/?reffering_site=dumpcr

VCS does not forward early media on 183 or 180 with SDP
CSCua72781

Symptoms:
Remote ringing tone will not be heard on endpoint registered to VCS Expressway.

Conditions:
Ringing tones sent as "Early Media" via SDP on a provisional response (183 or 180) will not be forwarded.

Workaround:
None. Note this does not affect a call once it has been answered, only the audio ringing tone.
 
 
HTH
 
Manish

 

So it should be fixed?

I have fix it!

It use SIP Trunk to Gateway...it will have ringback

And fix DTMF bug~

It work be great~Thanks

That's great news. So you convert your h323 gateway to SIP? Didn't change the versions you listed above? Thanks!

I don`t change any versions.

I just setting Gateway~

-----------------------------------------------------------------------

!
voice service voip
 allow-connections h323 to h323
 allow-connections h323 to sip
 allow-connections sip to h323
 allow-connections sip to sip
 no supplementary-service h225-notify cid-update
 fax protocol t38 version 0 ls-redundancy 0 hs-redundancy 0 fallback none
 sip
  bind control source-interface GigabitEthernet0/0
  bind media source-interface GigabitEthernet0/0

!
!
dial-peer voice XXXX voip
 description AA
 destination-pattern 9XXX
 session protocol sipv2
 session target ipv4:192.168.1.XXX
 voice-class codec 1
 dtmf-relay sip-kpml rtp-nte
 no vad
!

Then Change CUCM Sip Profile~

 

Okay. Upgraded to 8.5.2 and issue went away. :)

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