Cadence Flash F200-2 Guía para resolver problemas descargar pdf (Pagina 43)

VoIP problems 43

JAN 23 15:55:48 tVGW: Info Channel 1, already registered

with M1 (?)

... (one msg per channel)

JAN 23 15:55:48 tVGW: Info Channel 23, already registered

with M1 (?)

JAN 23 15:55:48 tSET: Info 192.168.1.142 TN 61-02

Registered with M1

... (one msg per phone)

JAN 23 15:55:48 tSET: Info 192.168.1.141 TN 61-01

Registered with M1

Call connects through VoIP gateway with no speechpath

If a call connects through the gateway but no speechpath exists, check the

DSP receives data from the DS-30X backplane.

•

If the problem call involves a trunk or far end VGMC or IP Phone,

isolate the call down to one system, by conferencing in a local digital

telephone. If the one-way speechpath still exists, then you can

eliminate the far-end telephone or VGMC as being the source of the

failure. Alternatively, if you can duplicate the problem, initiate a call

between the IP Phone and a TDM telephone.

•

Enter the command “tsm_stat_req_tele_levels ” (page 270) for the

channel; the levels are typically in the –300 to –600 range.

•

Press and hold a digit key on the TDM telephone to generate DTMF

towards the VGMC.

•

Enter the command again and, if the levels are in the –10 to –100

range, then PCM passes between the card and the system. Otherwise,

a problem likely exists with the card.

•

Use the command “genToneOn chNum, side, freq, duration” (page

121) to generate a tone from the DSP to the TDM or from the DSP to

the IP Phone. This can isolate an invalid network connection from the

IP Phone to the DSP or a bad timeslot or timeswitch connection from

the TDM network to the DSP.

Calls to IP Phones in other VGMC nodes with separate TLANs

If multiple VGMC nodes belong to separate TLANs, but are configured to

the same customer and use the same zones, then the potential exists for a

one-way speechpath during IP to TDM calls or IP to IP calls across nodes.

This situation occurs because the Call Server has no concept of a VGMC

node; all IPTNs that belong to the same Call Server Customer Number are

treated as one resource pool, regardless of the node ID. Therefore, the

Call Server can choose any channel that belongs to the customer.

Nortel Communication Server 1000

Troubleshooting Guide for Distributors

NN43001-730 02.02 31 December 2009

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Cadence Flash F200-2 Guía para resolver problemas Pagina 43

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