In the event you try to make a outgoing call using your phone's contacts you may receive the above error code. To resolve this, please follow below steps.
* This is due to the contacts in your phone having the "–" in between the numbers as opposedto all numbers
1. Unregister, your account
2. Add the “-“ to the “strip dial characters” section in the “number rewriting” section found in the “additional settings” portion of the account.
3. Re-register your account