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SIP trunk to CallManager Express - No Ring Back

Hi there,

I've connected the CallManager Express through a SIP trunk to a SIP provider. I have the following situation:

Sip Telephone Number -> SIP Provider -> SIP TRUNK -> CallManager Express -> IP Phone

When I call the SIP telephone number (either from PSTN or chell phone), then there is no Ring Back.

I hope someone can help me to sort out this issue.

Thanks.

1 ACCEPTED SOLUTION

Accepted Solutions
Hall of Fame Super Gold

Re: SIP trunk to CallManager Express - No Ring Back

Try

progress_ind setup enable 3

under the incoming voip DP.

5 REPLIES
Hall of Fame Super Gold

Re: SIP trunk to CallManager Express - No Ring Back

Try

progress_ind setup enable 3

under the incoming voip DP.

Re: SIP trunk to CallManager Express - No Ring Back

Hi,

progress_ind is for h.323 only (at least that's what they say in the command ref) ;)

Re: SIP trunk to CallManager Express - No Ring Back

This was originally written for H323, but I've seen it applied for SIP as well.

-nick

Re: SIP trunk to CallManager Express - No Ring Back

Please post 'debug ccsip message'

-nick

VIP Red

Re: SIP trunk to CallManager Express - No Ring Back

Yama,

once you have produced the debug innformation, after the INVITE from your SIP provider as a result of the incoming call attempt, your gw shoudl send a 180 "RINGING" message back to your SIP provider, see if that is actually happening

RUBY! RUBY! RUBY!

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