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Joined: Apr 2011
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I have a customer with a OS 7200. They have 2 sites, a main site has a PRI and the 7200 and there is a remote site with 8 or 9 phones connected thru a VPN. the remote users can dial the main site's extensions and it is crystal clear, no problems either way, and the same holds true the other way around.
The problem is when a remote user receives or makes a call involving the PRI, the call quality goes down significantly. The users in the main site do not have this problem. We have access to the routers that connect the sites, and we checked and doublechecked the network settings, they seem to be OK. The calls DO come through, just not well it is harder to hear, is there anything on the Samsung that can help with this issue?
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Joined: Dec 2010
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Make sure that your MGI card is using the G.711 codec for phone calls. This will give them the highest quality codec. Are all the phones ip? Or are they a mix between digital and ip?
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Joined: Jun 2006
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Moderator-Samsung
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Moderator-Samsung
Joined: Jun 2006
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Have you put a IP phone locally and seen if the quality is still poor?
If it's only low RX volume try increasing the gain for DTRK-ITP
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Joined: Apr 2011
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Thanks for the responses. The system is running at the 7.29 codec. However we had been at 7.11 when this issue started, so changing the codecs havent helped. They have all IP phones, locally (where the Officeserv is) the call quality is fine.
You raise a interesting idea with the volume gain, but is'nt that setting system wide, it may make the volume too high for the local users.
We are using MPS and we opened the VPN per Samsung instructions, anything else I can try?
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Joined: Dec 2013
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Hi
Has this problem been resolved? We have EXACTLY the same problem on a site (South Africa). VPN lines is clean (Diginet) no packet loss, low latency, VPN via Mikrotik, Cisco 1800 Diginets, network seems perfect, and I am thus far leaning towards the problem being on the MGI Cards, but since I am not the PBX Vendor I have limited control over it.
How did you solve this problem?
Hope to hear from you.
Regards
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