3945 Router using E1 Qsig integrations with Mitel 3300

[julio.vergara]

I am configuring in Cisco Router 3945 with E1 Qsig to contact a MITEL 3300

This is the configuration:

isdn switch-type primary-qsig

controller E1 0/1/1
 framing NO-CRC4
 clock source internal
 line-termination 75-ohm
 pri-group timeslots 1-31 service mgcp
 description Mitel

interface Serial0/1/1:15
 no ip address
 encapsulation hdlc
 isdn switch-type primary-qsig
 isdn overlap-receiving
 isdn incoming-voice voice
 isdn bind-l3 ccm-manager
 no cdp enable

voice-port 0/1/1:15
 echo-cancel coverage 64
 cptone MX
 timeouts call-disconnect 0
 timeouts wait-release 1
 description  QSIG - Mitel

dial-peer voice 503 pots
 incoming called-number .
 direct-inward-dial
 port 0/1/1:15

when i connect the E1, the E1 up but i can not receive calls and make calls.

This configutation is correct for connect to E1?

Regards

[acampbell]

Hi Julio,

Can you try making the Cisco end of the link network mode.

One end should be user and the other network
Usually PBXs will default as "user" as the PSTN/SP-Nets are
always "Network". So one end needs to act as the NETWORK side
in order to allow the operate. 

MITEL (USER) ------------------(NETWORK) Cisco

On your CUCM admin pages set the mgcp end point
"Protocol Side " field to Network
Update and reset

On the router config

!
interface Serial0/1/1:15
shut
isdn protocol-emulate network
no shut
!
no mgcp
mgcp
!

Retest calls

Hope this helps
Regards
Alex

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[Aman Soi]

Hi ,

In addiiton to what Alex has said, can u try running the debug voip ccapi inout and debug isdn q931?

regds,

aman

[islam.kamal]

Hi

Can you share " show isdn status" & "debug isdn q931"?. We need to make sure that layer 1 and layer 2 are up. Other question can you share your design ?. We need to know after the call come it will transfer to IP phone using MGCP & H323 or you solution CME based.

Thanks

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[julio.vergara]

Hi

This is the configuration and this works

isdn switch-type primary-qsig

controller E1 0/0/0
 framing NO-CRC4
 clock source internal
 line-termination 75-ohm
 pri-group timeslots 1-31 service mgcp
 description ***MITEL***

interface Serial0/0/0:15
 description ***MITEL***
 no ip address
 encapsulation hdlc
 isdn switch-type primary-qsig
 isdn overlap-receiving
 isdn incoming-voice voice
 isdn bind-l3 ccm-manager
 no cdp enable

voice-port 0/0/0:15
 input gain -6
 output attenuation -6
 echo-cancel coverage 64
 cptone MX
 timeouts call-disconnect 0
 timeouts wait-release 1
 description QSIG PBX Mitel

dial-peer voice 503 pots
 incoming called-number .
 direct-inward-dial
 port 0/0/0:15
 forward-digits 4

tomorrow send the configuration in the CUCM.

regards