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SIP SIP-Phone Administration Guide
8
2.
Change characters to be capital or lowercase: when pressing TRANSFER before
press letters can switch input type of letters.
♦
REDIAL
: Redial the last outgoing call.
♦
+
And
-
: Adjust the voice volume heard of communication.
♦
SPEAKER
: Hand free mode. User can talk without picking up handset.
Note:
1. All function keys mentioned above (except dialing keypad) are effective only in IP
Phone mode.
2.
When LAN Phone fail to register to Proxy server under Proxy mode, when user
wants to dial out, LAN Phone will play busy tone, and on LCD will display
“Register Failed.”