[cisco-voip] ISDN Call Problem

[Teodor Dobrev]

Hi,

I had the following problem:

I am trying to interconnect an Cisco VoiP Network with CCM and another analog phone network, the traffic goes from the IP network to a 3825series Router added as a gateway in the CCM,then a dial-peer configured as follows dial-peer voice 1 pots destination-pattern 111T port 2/0:15 send the traffic through ISDN PRI over E1 connection to a 2821 Router wich is responsible for the analog phone network dial-peers on the 2821:

 

dial-peer voice 555 pots

destination-pattern 555T

port 1/0:15

 

dial-peer voice 100

destination-pattern 100

port 1/0/0

 

On port 1/0/0 i had FXS port and a phone connected In the CCM Configuration i have a route pattern 82!# that sends me to the 3825 Gateway

 

So i dial from an IP Phone 82111100,the call goes to 3825 router as DNIS 111100, then matches dial-peer voice 1,the goes through the ISDNto 2821 router,and then I see on the phone display ¨connected¨ debug isdn q931 on the 3825 router says connected, but nobody is ringing and nothing goes to the analog phone 100.

 

This what I receive from deb isdn q931:

 

*Jul 12 11:31:54.539: ISDN Se2/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x0, Calling num 2004 *Jul 12 11:31:54.539: ISDN Se2/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x0, Called num 100 *Jul 12 11:31:54.539: ISDN Se2/0:15 Q931: TX -> SETUP pd = 8  callref = 0x0002

        Bearer Capability i = 0x8090A3

                Standard = CCITT

                Transfer Capability = Speech

                Transfer Mode = Circuit

                Transfer Rate = 64 kbit/s

        Channel ID i = 0xA98381

                Exclusive, Channel 1

        Calling Party Number i = 0x0081, '2004'

                Plan:Unknown, Type:Unknown

        Called Party Number i = 0x80, '100'

                Plan:Unknown, Type:Unknown *Jul 12 11:31:54.559: ISDN Se2/0:15 Q931: RX <- CALL_PROC pd = 8  callref = 0x8002

        Channel ID i = 0xA98381

                Exclusive, Channel 1

*Jul 12 11:31:54.559: ISDN Se2/0:15 Q931: RX <- CONNECT pd = 8  callref = 0x8002 *Jul 12 11:31:54.559: %ISDN-6-CONNECT: Interface Serial2/0:0 is now connected to 100 N/A *Jul 12 11:31:54.559: ISDN Se2/0:15 Q931: TX -> CONNECT_ACK pd = 8  callref = 0x0002 *Jul 12 11:32:09.155: %ISDN-6-DISCONNECT: Interface Serial2/0:0  disconnected from 100 , call lasted 14 seconds *Jul 12 11:32:09.155: ISDN Se2/0:15 Q931: TX -> DISCONNECT pd = 8  callref = 0x0002

        Cause i = 0x8290 - Normal call clearing *Jul 12 11:32:09.163: ISDN Se2/0:15 Q931: RX <- RELEASE pd = 8  callref = 0x8002 *Jul 12 11:32:09.167: ISDN Se2/0:15 Q931: TX -> RELEASE_COMP pd = 8  callref = 0x0002

 

Does anybody had the same problem?

 

Thank you

 

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