Network Conference feature

[Johnson_Yealink]

Dear Customer,

This is Johnson from Yealink technical support team.Nice to work with you.
For this issue, can you tell me how do you execute network conference?
On the one way:
1.You setting a DSS key as conference, and value as conference@sipserver.
2.Press this DSS key start network conference.

SIP info:
INVITE sip:conf@10.2.1.98:5060 SIP/2.0
Via: SIP/2.0/UDP 10.2.10.71:5060;branch=z9hG4bK2917570814
From: "6009" <sip:6009@10.2.1.98:5060>;tag=4014128300
To: <sip:conf@10.2.1.98:5060>
Call-ID: 1_3294377885@10.2.10.71
CSeq: 1 INVITE
Contact: <sip:6009@10.2.10.71:5060>
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-T46S 66.81.0.110
Allow-Events: talk,hold,conference,refer,check-sync
Supported: replaces
Content-Length: 302


On the other way:
1.You setting conference type and conference URI via web interface,
path is Account--Advance.
2.A call B
3.A Press conference soft key, B become hold.
4.A call C, C answer this call.
5.A press conference soft key to start conference.

SIP info:
b~REFER sip:6008@10.2.1.98:5060 SIP/2.0
Via: SIP/2.0/UDP 10.2.10.71:5060;branch=z9hG4bK2290756628
From: "6009" <sip:6009@10.2.1.98:5060>;tag=2205038829
To: <sip:6008@10.2.1.98:5060>;tag=as693bc368
Call-ID: 1_2907206645@10.2.10.71
CSeq: 3 REFER
Contact: <sip:6009@10.2.10.71:5060>
Authorization: Digest username="6009", realm="asterisk", nonce="61daa26d", uri="sip:6008@10.2.1.98:5060", response="d9598836b961818fc4b800edc7e5e03b", algorithm=MD5
Max-Forwards: 70
User-Agent: Yealink SIP-T46S 66.81.0.110
Refer-To: <sip:conf@10.2.1.98:5060>
Event: refer
Referred-By: "6009" <sip:6009@10.2.1.98:5060>
Content-Length: 0


I have trying test two ways network conference.
Both two ways SIP info format are conference@sipsvr as below.

Therefore, I advise you send the trace file for us.


BR
Johnon