AASTRA 6700i series, 9143, 9480i, 9480i CT SIP Administrator Guide EN - Manual (Page 748)

41-001343-01 Rev 03, Release 3.2.2 A-17
User Dial Plan Setting
Parameter –
sip user parameter dial plan Configuration Files aastra.cfg, <model>.cfg, <mac>.cfg
Description The dial plan that the network uses to distinguish the phone’s username
that looks like a PSTN number, from the real PSTN number.
Note:
You can configure the “sip user parameter dial plan” parameter on a global
basis only. If it is misconfigured, then the parameter is ignored. Entering
no value disables this feature.
Format Alpha-numeric characters
Default Value Blank
Range Up to 512 characters; More than 512 characters disables this parameter.
Example sip user parameter dial plan: 6xx | 8xxxx |9xxxxxxx