- Mon 25th Jul 2016, 15:02
#4071
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Fax is an old technology but is still used by many businesses. Configuring your OBIHAI analogue telephone adapter (ATA) with the settings shown below will help ensure the best possible result when faxing over VoIP here in the UK.
For the purposes of this guide lets presume you have your VoIP provider configures against ITSP Profile A, SP1, and that your fax machine is connected to phone port 1...
For the purposes of this guide lets presume you have your VoIP provider configures against ITSP Profile A, SP1, and that your fax machine is connected to phone port 1...
- Navigate to Service Providers > ITSP Profile A > SIP, in the SIP section, enter the following settings:
- X_FaxPassThroughSignal: ReINVITE
- Next, navigate to Voice Services > SP1 Service, in the Calling Features section, enter the following settings:
- MaxSessions: 1
- Click Submit to save your settings.
- Now, navigate to Physical Interfaces > PHONE1 Port, in the Calling Features section, enter the following settings:
- CallWaitingEnable: Disabled
- ConferenceCallEnable: Disabled
- UseForFaxOnly: Enabled
- DetectFaxPageBreak: Enabled
- Click Submit to save your settings.
- Finally, navigate to Codecs > Codec Profile A, enter the following settings to support T.38 fax:
G711U Codec- Enable: Disabled
- Enable: Enabled
- SilenceSuppression: Disabled
- Enable: Disabled
- Enable: Disabled
- Enable: Disabled
- Enable: Enabled
- T38Enable: Enabled
- T38ECM: Enabled
- FaxPassThroughCodec: G711A
- Click Submit to save your settings.
- Click Reboot to reboot the system.
- Verify that your fax machine BAUD rate is set to a speed between 7200 and 14400. I suggest 9600.
- Appreciate my support? Feel free to buy me a coffee.
- Voipfone are offering you the chance to trial their VoIP service for free for 30 days. Sign me up!
- Sign up for a Dropbox account using my referral link and get an extra 500 MB of bonus space. Sign me up!
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