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Grandstream UCM 6202 users unable to make outgoing external calls through remote Panasonic NSX1000

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harogie

Vendor
Jan 27, 2015
8
NG
Hello everyone, I have a Peer to Peer SIP Trunk connection successfully established between Panasonic KX-NSX1000 and Grandstream UCM 6202. Extension calls from both sides are perfect.
Panasonic KX-NSX1000 has a GSM to VoIP gateway device.
On the Panasonic KX-NSX1000, extensions with the appropriate permission can access the SIP trunk to make external outgoing calls via the GSM to VoIP gateway device.
The challenge I have is this:
On the Grandstream UCM 6202, extensions cannot "break-in" into the Panasonic KX-NSX1000 and access the SIP trunk to make external outgoing calls (via the same GSM to VoIP gateway device).
Any quick assistance will be highly appreciated.
Thanks in anticipation.
 
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