Difference between revisions of "Sometimes calls are dropping"

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This may indicate that the phone is not reregistering on its set interval with the VoiceMailTel switch (3600s). The switch will assume that the device is no longer present and will drop any calls that may be in progress.<br>
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- Verify you Internet Connection by pinging sip.voicemailtel.net to see if you have a steady connection to our servers;
  
- Verify the latest firmware is active on your phone/adapter.<br>
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- Verify that your phone / adapter has been updated to its latest firmware<br>
  
 
- If you are running your phone behind a NAT firewall that is SIP aware, packet mangling may occur.<br>
 
- If you are running your phone behind a NAT firewall that is SIP aware, packet mangling may occur.<br>
  
- If you have other IP handsets or ATAs, check if they are also configured with the same phone number. This could create registration conflicts and sudden call drops while the other devices register on the same number.
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- If you have other IP handsets or ATAs, check if they are also configured with the same terminal ID. This could create registration conflicts and sudden call drops as the server will only allow one terminal ID to register at a time.

Revision as of 15:12, 8 August 2013

- Verify you Internet Connection by pinging sip.voicemailtel.net to see if you have a steady connection to our servers;

- Verify that your phone / adapter has been updated to its latest firmware

- If you are running your phone behind a NAT firewall that is SIP aware, packet mangling may occur.

- If you have other IP handsets or ATAs, check if they are also configured with the same terminal ID. This could create registration conflicts and sudden call drops as the server will only allow one terminal ID to register at a time.