10-21-2008 04:08 AM - edited 03-15-2019 02:04 PM
I need help with this scenario:
1- C1861-UC-2BRI-K9 (c1861-spservicesk9-mz.124-11.XW6)
1- VIC2-2BRI-NT/TE
1- ISDN Line
4- Cisco IP Phone 7940 (P00308000500)
Problem:
User calling -> ISDN Line -> VIC2-2BRI-NT/TE -> CME 4.2(0) -> Phone 7940
When outside user calls, the 7940 rings and no RING BACK or any sound to the calling user
is provided. No RINGBACK or sound in the line to the calling user.
When the user is busy the line provide the busy ring.
ISDN Q931
*May 12 02:15:43.308: ISDN BR2/0 Q931: RX <- SETUP pd = 8 callref = 0x01
Sending Complete
Bearer Capability i = 0x8090A3
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0x8A
Exclusive, B2
Called Party Number i = 0xA1, 'REMOVED'
Plan:ISDN, Type:National
*May 12 02:15:43.356: ISDN BR2/0 Q931: TX -> CALL_PROC pd = 8 callref = 0x81
Channel ID i = 0x8A
Exclusive, B2
*May 12 02:15:43.380: ISDN BR2/0 Q931: TX -> ALERTING pd = 8 callref = 0x81
Progress Ind i = 0x8188 - In-band info or appropriate now available
NO RINGBACK -------------------------
*May 12 02:15:48.035: ISDN BR2/0 Q931: RX <- RELEASE pd = 8 callref = 0x01
Cause i = 0x829F - Normal, unspecified
*May 12 02:15:48.043: ISDN BR2/0 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x81
Jaime
10-29-2008 10:06 AM
Take a look to the following link, it also applies for the UC-500
http://www.cisco.com/en/US/tech/tk1077/technologies_tech_note09186a0080094c33.shtml
I recommend you to start with the progress indicator.
//Jorge
10-29-2008 10:52 AM
Good afternoon
Thank you for your answer.
We have already noticed this document and several settings that include the PI, and without results.
Further tests with delivery to a dial-peer VOIP establishing without delay the voice channel it's ok
On the voice channel opened you digit any extension and get the ring back.
Issue
What I find is that the Telco open immediately the voice channel without acknowledgment from the router to open the voice channel.
Tests to Telco it appears that not get the following output of the "debug ISDN standard"
* Mar 4 02:14:18.807: ISDN BR2 / 0 EVENTd: L3_GetUser_NLCB: Got NLCB 0x83AE6510 int_id 0 call_id 0xB in ESTABLISH_WAIT event is 0x87
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