Author Topic: Internal Call.... Silence (for some users)  (Read 2993 times)

Offline mufasa

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Internal Call.... Silence (for some users)
« on: September 26, 2013, 06:50:35 AM »
Hi All

ive run into a tricky situation.

ive got two users ('A' & 'B') that when they call internal user 'C' are connected but are not able to hear anything from 'C'.

this also happens when user 'C' calls 'A' or 'B'


other users in the office are able to call user 'C' without a problem.

anyone ever run into this?


Offline Mattmayn

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Re: Internal Call.... Silence (for some users)
« Reply #1 on: September 26, 2013, 07:30:26 AM »
Are these users on the same controller? Same network?

Offline ralph

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Re: Internal Call.... Silence (for some users)
« Reply #2 on: September 26, 2013, 08:33:34 AM »
I've seen this caused in a couple of different ways.
1) Routing was incorrect to/from the Station C subnet
2) Wrong gateway or subnet for station C.
3) Firewall between subnets.

In all cases it has been network issues.
So as Mattmayn suggest, find the subnet of the C phone and check it out.

Ralph

Offline mufasa

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Re: Internal Call.... Silence (for some users)
« Reply #3 on: October 03, 2013, 10:21:44 AM »
Narrowed the problem down, Teleworkers.

we have 2 Teleworkers some callers to these teleworker users experience this problem. its not all users though.

Offline jrg0852

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Re: Internal Call.... Silence (for some users)
« Reply #4 on: October 03, 2013, 04:39:15 PM »
So it could be port(s) that need to be opened or a bandwidth issue.

Offline LeoAbse

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Re: Internal Call.... Silence (for some users)
« Reply #5 on: October 04, 2013, 09:27:25 AM »
We had a similar issue when we installed our mitel system (random calls dropping or not able to here other party internally or externally). We have two VLANS. 1 the default for PC's and 2 for the IP Phones. The 3300 was originally set up for some unknown reason in VLAN1 (all the phones in VLAN2) and both the 3300 and phones were (again for some unknown reason) setup to use our D/G (being our Internet router) to route all the traffic internally. So the path of traffic from the phone to the 3300 was phone > D/G > Layer 3 Core Switch > 3300 and vice versa for back again. Once mistake spotted, 3300 moved to VLAN2 so path for traffic from phone to 3300 is now phone > 3300 and of course vice versa for back again.

Offline jrg0852

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Re: Internal Call.... Silence (for some users)
« Reply #6 on: October 04, 2013, 09:39:43 AM »
You mentioned the problem ones are Teleworker? Run the TW analyzer. It will show you what is failing.

Offline LoopyLou

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Re: Internal Call.... Silence (for some users)
« Reply #7 on: October 07, 2013, 08:26:26 AM »
You have network routing issues. You need to make sure all the subnets in your internal network are programmed in the local networks form of the MBG used to control the teleworkers in internal callers can't hear the teleworkers.


 

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