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 Technical documents

Firewall & Security Guide

Firewall & Security Guide In order for IP phones, portals and applications to be able to access the service, some firewalls may need adjusting to allow the traffic through.  If the End Customer is running inside to outside rules then ports... Read More

SIP Response Codes

SIP Response Codes 1xx—Provisional Responses 100 Trying ExtendedThe search being performed may take a significant time so a forking proxy must send a 100 Trying response. 180 Ringing DestinationUser agent received INVITE, and is alerting user... Read More

Wireshark tracing for fault finding

How do I perform a Wireshark trace? If you have been asked to complete a wireshark trace this is because your reported fault needs further inspection from site, these are typically asked for when the report is call quality or transfer difficulties.... Read More