[cisco-voip] VMWI on analog phones with VG224

[Jason Aarons (US)]

What make/model phone or region/country uses 90 volt phones? I did a
google search and see some intercom/hospital phones. I had never heard
of 90 volt until your posting, something to watch out for! -jason

 

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Ahmed Elnagar
Sent: Wednesday, August 08, 2007 7:42 AM
To: Kenneth Sinfield (AU); cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] VMWI on analog phones with VG224

 

Hello kenneth;

Thanks for your reply, the problem was that the VG224 only supports FSK
with 24 or 48 volt and the analog phone that I was testing was using 90
volt by default, this phone works well with the VG248 as it supports
this high voltage but not the VG224.

 

________________________________

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Kenneth
Sinfield
Sent: Tuesday, August 07, 2007 12:37 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] VMWI on analog phones with VG224

 

Hi Ahmed,

 

I have VMWI working on an ISR router with FXS ports (VMWI will work on a
VG224 as well). Basically below are the requirements:

 

*         The Cisco Gateway must run IOS version IP Voice T strain (not
SP Services on ISRs) 12.4(6)T or later (I tested 12.4(11)T2)

*         Cisco CallManager version must be version 4.2 or later (I
tested CallManager 5.1.2)

*         Any version of Unity (I tested Unity Connection 1.2)

*         Must use SCCP(Skinny) as the gateway protocol, and NOT MGCP

 

Here is an output from the gateway(MWI refers to stutter tone VMWI needs
to be "ON"):

 

pstn#show stcapp device voice-port 0/3/3

Port Identifier:  0/3/3

Device Type:      ALG 

Device Id:        4

Device Name:      AN17598075F0183

Modem Capability: None

Device State:     IS

Diagnostic:       None

Directory Number: 1005

Dial Peer(s):     101 

Dialtone after remote onhook feature: activated

Last Event:       STCAPP_CC_EV_CALL_DISCONNECT_DONE

Line State:       IDLE

Hook State:       ONHOOK

mwi:              ENABLE

vmwi:             ON

PLAR:             DISABLE

Number of CCBs:   0

Global call info:

    Total CCB count      = 0

    Total call leg count = 0

 

Thanks,

Ken.

 

Kenneth Sinfield

Systems Engineer

Dimension Data, Australia

139 Coronation Drive, Milton

Queensland, Australia, 4064

Phone: +61732921968

 

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