| Joined: Feb 2010 Posts: 21 Member | OP Member Joined: Feb 2010 Posts: 21 | We recently upgraded a CP10 to CP20. There Cisco ATA's are registered back up on the SV9100 and we can make calls on them. But when we try and send a fax on any of them the Fax fails about 15 seconds into the fax. On the fax machines we have disabled ECM and changed the baud rate to 9600. The ATA's have been working for years just started having this problem after we upgraded to a CP20. Any thoughts?
Thanks | | | | Joined: Sep 2004 Posts: 4,054 Member | Member Joined: Sep 2004 Posts: 4,054 | Was this a straight out upgrade or was your system re-programmed? Also, did the networking change at all. I mean IP addresses etc. | | | | Joined: Sep 2004 Posts: 4,054 Member | Member Joined: Sep 2004 Posts: 4,054 | Just as a side note why use ATA's rather than an analog card on the SV? | | | | Joined: Feb 2010 Posts: 21 Member | OP Member Joined: Feb 2010 Posts: 21 | It was a converted database. No network changes. | | | | Joined: Feb 2010 Posts: 21 Member | OP Member Joined: Feb 2010 Posts: 21 | They have multiple locations and 1 SV9100 connected thru VPN. | | | | Joined: Sep 2004 Posts: 4,054 Member | Member Joined: Sep 2004 Posts: 4,054 | What fax protocol do those ATA's use? You might need to put that back into the programming. There is some sort of fax and forward for ATA's if memory serves. | | | | Joined: Oct 2005 Posts: 46 Member | Member Joined: Oct 2005 Posts: 46 | Maybe a good time to migrate from ancient Fax to modern day PDF. | | | | Joined: Sep 2004 Posts: 4,054 Member | Member Joined: Sep 2004 Posts: 4,054 | Would be great save the fact that the alternative doesn't work for HIPAA. Anyone that works in first responder/medical/HR knows fax machines are going to be around another 100 years. | | | | Joined: Feb 2010 Posts: 21 Member | OP Member Joined: Feb 2010 Posts: 21 | Yup exactly Coral the medical field is not getting rid of Fax machines.. | | | | Joined: Feb 2010 Posts: 21 Member | OP Member Joined: Feb 2010 Posts: 21 | Here you go Coral put this in your notes if you have this issue with a CP20. I did this and it worked.
Per NTAC:
If you have a site with SIP trunks doing faxing through a 3rd party SIP ATA and the faxes are failing but the 3rd party SIP voice calls are fine AND you are on a CP20
Disable 84-33-01 for SIP Trunks & SIP Extensions (Fax Relay Mode)
If you have this with a CP10, you:
Enable 84-33-01 for SIP Trunks & Extensions
Per NTAC, the CP20 processes SIP a bit differently than the CP10.
Though logically this makes no sense to me (in black and white -regarding the programming) this apparently is a well known thing for CP20. | | | Forums84 Topics93,521 Posts635,349 Members49,569 | Most Online5,661 May 23rd, 2018 | |
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