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Outgoing Fax Support
The UC server supports the transmission of faxes to standard fax machines. The gateway must support
T.38 fax transport to provide this capability.
Paging Notification
The gateway must support the UC server calling out to the PSTN to deliver pages.
System Music on Hold Support
The UC server supports music on hold. When PSTN callers are on hold they hear music, if that feature is
enabled on the system.
Transfer—Assisted/Supervised
After a call is established between an outside PSTN call and an internal SIP device, the gateway must
allow a supervised transfer to another SIP device.
Transfer—Blind
After a call is established between an outside PSTN call and an internal SIP device, the gateway must
allow a blind transfer to another SIP device.
Trunk-to-trunk connect
This feature allows an established call through the gateway, which can be extended back out the gateway
on another PSTN trunk.
