What phone number formats are supported?

Product

• Voice

Resolution

When initiating calls through a CM SIP trunk, ‘To’ and ‘From’ number (CLI) should be formatted according to E.164 international number format.

{country code} {national destination code} {subscriber number}

The following formatting examples are accepted:

+31 76 572 7000

0031 76 572 7000

31 76 572 7000