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Solution Base articles are added frequently. Refer to SBC 1000-2000 Articles for the most current list of available articles. |
Initial Configuration
I set the network configuration in the initial configuration page, but I still cannot see
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the SBC
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on the network.
- Check the Ethernet port's speed and duplexity and match that to the Ethernet port configuration in Sonus the SBC 1000/2000.
After Initial Configuration, I am importing an old backup from a different
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the SBC
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, but my T1/E1 ports do not match the configuration.
- Try inserting the card into the other slot. Also, you will have to reset the configuration to factory defaults in order to remove the auto populated ports and restore the old configuration again.
ISDN related issues
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- Calling Name is not present on outbound calls over ISDN port with NI2 or Euro-ISDN switch variants
- How to Select User and Network Provided ISDN Calling Number
- ISDN call from PBX to SBC released with cause value -Invalid information element contents 100- by PBX
- MOC conference participants get static when PSTN caller joins the conference
SIP related issues
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Faxing
Where can I find a guide to configure a fax solution for Lync?
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When do I use G.711 VS T.38?
It is recommended to use G.711 when implementing a fax solution where Sonus SBC 1000/2000 and the
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The faxes have quality issues
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- Check clock source setting.
- Faxes from PSTN via
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Audio Quality
- Audio Clipping Issues on Lync - TDM Calls
- One-way audio or call disconnect after call park or hold-transfer to Lync user behind Edge server
Call Completion issues
- Call from PSTN to Lync is rejected by Mediation with SIP message 488 Not Acceptable Here
- Calling number blocking
- Call rejected from PSTN with ISUP cause code 16,
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Call Presentation
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Certificate Related
Lync Deployment
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Lync Operational
- Calls to PSTN numbers fail. Lync declares the gateway unavailable with Event ID 46046
- Lync clients at Branch Site cannot establish MTLS connection with the Central Pool
- Lync Server 2010 Archiving Agent fails to create local queue on the SBA
Monitor application does not load. Monitor displays - Failed to connect to the Server. Please try again.
- When querying Active Directory cache, attributes are missing in the search result
- Workaround for no ring back in PSTN to Lync calls
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