Yealink SIP-T21 E2

Configuring Basic Features
507
To: <sip:1058@10.2.1.48:5060>
Call-ID: 0_572446084@10.10.20.18
CSeq: 1 INVITE
Contact: <sip:1010@10.10.20.18:5060>
Content-Type: application/sdp
Allow: INVITE, INFO, PRACK, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE, REFER, PUBLISH,
UPDATE, MESSAGE
Max-Forwards: 70
User-Agent: Yealink SIP-T46G 28.81.0.25
Replaces: 0_1756536024@10.10.20.34;to-tag=3779921438;from-tag=3408640225
Allow-Events: talk,hold,conference,refer,check-sync
Supported: replaces
Content-Length: 304
Procedure
Dialog info call pickup can be configured using the following methods.
Central Provisioning
(Configuration File)
<MAC>.cfg
Configure dialog info call pickup.
Parameter:
account.X.dialoginfo_callpickup
Web User Interface
Configure dialog info call pickup.
Navigate to:
http://<phoneIPAddress>/servlet?p=acc
ount-adv&q=load&acc=0
Details of the Configuration Parameter:
Parameter
Permitted Values
Default
account.X.dialoginfo_callpickup
0 or 1
0
Description:
Enables or disables the IP phone to pick up a call according to the Replaces header of the
INVITE message for account X.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), call pickup is implemented through SIP signals.
X ranges from 1 to 16 (for SIP-T54S/T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T52S/T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)