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OS7200 -> OS500 intermittently dropping audio
#629108 04/15/19 02:23 PM
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Hi all,

Fantastic to see an active community for the Samsung kit, I'm hoping you can help me get to the bottom of a rather annoying issue.

We have two sites, one with OS7200(SiteA) and one with OS500(SiteB). Sites are connected with VPN and SPNet licence and works well most of the time. Occasionally we have calls that have no audio either way. This can occur by a call from SiteB to SiteA, or even a call to SiteA transferred to SiteB (in this scenario, clients are calling SiteA, being transferred to SiteB and not hearing any audio and hanging up in a huff!). Calling back immediately usually results in a normal 2-way audio call...

I would have thought that a config issue on our firewall(Watchguard M200) or phone servers would result in audio ALWAYS being an issue, but this issue is intermittent! Some times it happens throughout the day, sometimes it doesn't happen for days!

Any suggestions?

Rgds,
Rob

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Re: OS7200 -> OS500 intermittently dropping audio
Robert Stuart #629109 04/15/19 03:28 PM
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Sorry, should clarify that this is not with IP phones, just regular DS-5038S handsets

Re: OS7200 -> OS500 intermittently dropping audio
Robert Stuart #629120 04/15/19 09:54 PM
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What version of software are you running on both systems?

How's many and what type of mgi cards and versions?

Re: OS7200 -> OS500 intermittently dropping audio
Robert Stuart #629163 04/17/19 08:37 AM
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Hi nameless, the 7200 is 12.04.02 V4.60b and the 500 seems to have versions for each card(MMC727), is there specific one you need?

500 MGI card is MGI2 version V1.24 (2005/2). I don't see any other MGI cards listed in MMC727.
7200 has two MGI cards, both MGI BASE but I'm not sure where you get the versions from.

Sorry, this is a system I've inherited and have no previous experience with.

Rob

Re: OS7200 -> OS500 intermittently dropping audio
Robert Stuart #629167 04/17/19 12:07 PM
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My version is 2.03 on the 500 I believe

Re: OS7200 -> OS500 intermittently dropping audio
Robert Stuart #629184 04/17/19 07:34 PM
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The cards I'm after on the 500 are the mcp2, scp2 and lcp2

You'll only have a scp2 and lcp2 of you have 2 or 3 cabinets.

I suspect a software upgrade on the 500 will fix the issue


Something changed in 4.60 os7000 with spnet. It's not documented anywhere but I've had this issue.

Either downgrade the 7200 to 4.53c (not recommended) or upgrade the 500 to 2.76b (this was the last version of software for the 500)

Last edited by nameless; 04/17/19 07:35 PM. Reason: Spelling
Re: OS7200 -> OS500 intermittently dropping audio
nameless #629209 04/18/19 09:30 AM
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That is funny you should say that, I did update the SiteA phone system a while back(the issue I've described has also been ongoing for a while) in order to get access to a function. The dates could coincide with the start of the issue.

I have bounced this issue back to the maintenance engineers to hopefully come and do the upgrade on the 500;

MCP2 M 2.37
SCP2 don't have
LCP2 don't have
PRI/E1(C1/S1) V 1.05
MGI2 V 1.24
PRI/E1(C1/S3) V 1.07
SVMi8 V 4.02

Re: OS7200 -> OS500 intermittently dropping audio
Robert Stuart #629211 04/18/19 10:40 AM
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That's very old 500 software.
Make sure you get the updated osm_500p patch file as well.

Re: OS7200 -> OS500 intermittently dropping audio
Robert Stuart #629212 04/18/19 10:42 AM
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Fingers crossed the update fixes this issue, it's incredibly annoying for everyone!

Re: OS7200 -> OS500 intermittently dropping audio
Robert Stuart #629345 04/24/19 04:01 PM
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OAS card updates due on 30th April! I'll let you know how it goes!


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