Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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field.
6. (Optional.) Enter the string that will appear on the LCD screen in the Label field.
7. Enter the group call pickup code in the Value field.
8. Press the Save soft key to accept the change.
Dialog Info Call Pickup
Call pickup is implemented through SIP signals on some specific servers. When this feature is
enabled, IP phones support picking up incoming calls via the INVITE message which includes a
Replaces header in the message body. The value of Replaces is derived from a NOTIFY message
with dialog-info event. A user can pick up an incoming call by pressing the DSS key used to
monitor a specific extension (such as the BLF key). For more information on BLF, refer to Busy
Lamp Field (BLF) on page 607.
If the visual alert for blf pickup feature is enabled, a user can also pick up an incoming call by
pressing the DPickup soft key. For more information on visual alert for blf pickup, refer to
Visual Alert and Audio Alert for BLF Pickup on page 611.
It is not applicable to SIP-T19(P) E2/CP860/CP920 IP phones.
Note
Example of the dialog-info carried in NOTIFY message:
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="6" state="partial"
entity="sip:1011@10.2.1.48:5060">
<dialog id="65603" call-id="0_1756536024@10.10.20.34" local-tag="3408640225" remote-
tag="3779921438" direction="recipient">
<state>early</state>
<local>
<identity>sip:1011@10.2.1.48:5060</identity>
<target uri="sip:1011@10.2.1.48:5060"/>
</local>
<remote>
<identity>sip:1058@10.2.1.48:5060</identity>
<target uri="sip:1058@10.2.1.48:5060"/>
</remote>
</dialog>
</dialog-info>
Via: SIP/2.0/UDP 10.10.20.18:5060;branch=z9hG4bK2026058891
From: "1010" <sip:1010@10.2.1.48:5060>;tag=826048502
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