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PABX & VOIP INTEGRATION

nigel.ockenden
Level 1
Level 1

This message is aimed at the UK.

I would like to make contact with anyone who has connected a Siemens iSDX/Realitis PABX (DLI) to E1 blades.

In particular, DPNSS to QSIG via a converter or QSIG at both ends, or even Q931!

Does anyone know if Cisco have a functionality listing for QSIG & Q931?

Has anyone had a problem where a call cleardown initiated by the IP phone takes 7.5 seconds to release on the PABX, yet if initiated by the PABX is instantaneous?

Thanks in advance.

Nigel.

3 Replies 3

Chester Rieman
Cisco Employee
Cisco Employee

Yes we do qsig, you can see this opn a router by doing a debug q931

this should show what is slow in the disconnect sequence that you describe.

anderson-david
Level 3
Level 3

we currently have a realitis pabx connected to a call manager system, we are using a dpnss to qsig converter to connect the router to the pabx. we haven't had any problems like you describe

nigel.ockenden
Level 1
Level 1

Further investigation reveals that the problem seems to have started since we upgraded Call Manager to version 3.2 (2c).

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