Whether you want to call our users, or you want our users to call you, or both, it is essential that you/your users can communicate with our users using a common codec.

sip5060.net follows the Codec Recommendations published by the OpenTelecoms.org community. It is recommended that you review and implement these recommendations as much as possible.

All Lumicall users have the SILK codec (8kbit). Some users have the G.729 codec.