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Guidelines
The HP Community is where owners of HP products, like you, volunteer to help each other find solutions.
HP Recommended

 

Local Conferencing

 

The phone can conference together the local user with the remote parties of a certain number of independent calls by using the phone’s local audio processing resources for the audio bridging.

 

  • Poly Phones utilizing Microsoft Skype for Business are utilizing the S4B server for this.
  • Poly Phones running openSIP as for example Zoom, 8x8, Ring Central, 3CX and others depend on the call server on how many people can be in a conference

 

There is no dependency on network signaling for local conferences (hosted on the phone).

 

Phone Model Type of Conference supported nWayConference
VVXphones  Support three-way calls Yes
SoundStructure VoIP card Support three-way calls No
SoundStation IP 4000 Support three-way calls No
SoundStation IP 5000 Support three-way calls No
SoundStation IP 6000 Support three-way calls No
SoundStation IP 7000 Support three-way calls No
SoundStation Duo Support three-way calls No
SoundPoint IP 450, 550, 560, 650, 670 Support four-way calls Yes
SoundPoint IP 321, 331, 335 Support three-way calls No
RealPresence Trio 8800 (SIP) Support five-way calls Yes

 

 

In order to manage participants with compatible phones you will require the feature.nWayConference.enabled="1" parameter.

 

A compatible phone will display the manage Option

 

image

 

And individual Participants can be removed or set to mute etc. 

 

image

 

Centralized Conferencing

 

Centralized conferences use an external audio bridge or a compatible SIP Server, available via a central server, to create a centralized conference call.

 

The Parameter voIpProt.SIP.conference.address is used to specify a destination.

 

For example voIpProt.SIP.conference.address="5002@10.252.122.122" the phone would initially send a SIP INVITE to this central server.

 

image

 

Phone Logs:

0810133536|sip  |2|00|CStkCall::Conference new call 0x188d0bc sending INVITE to conf URI '5002@10.252.122.122'
0810133536|sip  |0|00|    INVITE sip:5002@10.252.122.122 SIP/2.0
0810133536|sip  |0|00|    Via: SIP/2.0/UDP 10.252.149.55;rport;branch=z9hG4bKc79f7fb2CD77325D
0810133536|sip  |0|00|    From: "3031" <sip:3031@10.252.122.122>;tag=2942A73E-4061CA19
0810133536|sip  |0|00|    To: <sip:5002@10.252.122.122>
0810133536|sip  |0|00|    CSeq: 2 INVITE
0810133536|sip  |0|00|    Call-ID: a1db769c83b223379946436ffa5b572d
0810133536|sip  |0|00|    Contact: <sip:3031@10.252.149.55>
0810133536|sip  |0|00|    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER
0810133536|sip  |0|00|    User-Agent: Polycom/5.5.0.20556 PolycomVVX-VVX_600-UA/5.5.0.20556
0810133536|sip  |0|00|    Accept-Language: en
0810133536|sip  |0|00|    Supported: replaces,100rel
0810133536|sip  |0|00|    Allow-Events: conference,talk,hold
0810133536|sip  |0|00|    Authorization: Digest username="3031", realm="asterisk", nonce="447e4919", uri="sip:5002@10.252.122.122", response="c7b384ea1b5d44843c2669b8ac8dd861", algorithm=MD5
0810133536|sip  |0|00|    Max-Forwards: 70
0810133536|sip  |0|00|    Content-Type: application/sdp
0810133536|sip  |0|00|    Content-Length: 508
0810133536|sip  |0|00|    
0810133536|sip  |0|00|    v=0
0810133536|sip  |0|00|    o=- 1502368536 1502368536 IN IP4 10.252.149.55
0810133536|sip  |0|00|    s=Polycom IP Phone
0810133536|sip  |0|00|    c=IN IP4 10.252.149.55
0810133536|sip  |0|00|    b=AS:512
0810133536|sip  |0|00|    t=0 0
0810133536|sip  |0|00|    a=sendrecv
0810133536|sip  |0|00|    m=audio 2242 RTP/AVP 9 102 0 8 18 127
0810133536|sip  |0|00|    a=rtpmap:9 G722/8000
0810133536|sip  |0|00|    a=rtpmap:102 G7221/16000
0810133536|sip  |0|00|    a=fmtp:102 bitrate=32000
0810133536|sip  |0|00|    a=rtpmap:0 PCMU/8000
0810133536|sip  |0|00|    a=rtpmap:8 PCMA/8000
0810133536|sip  |0|00|    a=rtpmap:18 G729/8000
0810133536|sip  |0|00|    a=fmtp:18 annexb=no
0810133536|sip  |0|00|    a=rtpmap:127 telephone-event/8000
0810133536|sip  |0|00|    m=video 2244 RTP/AVP 109 34
0810133536|sip  |0|00|    a=rtpmap:109 H264/90000
0810133536|sip  |0|00|    a=fmtp:109 profile-level-id=42800d
0810133536|sip  |0|00|    a=rtpmap:34 H263/90000
0810133536|sip  |0|00|    a=fmtp:34 CIF=1;QCIF=1;SQCIF=1

 

Subsequent calls adding the conferenced party would then use the SIP REFER method to be placed into the conference.

 

image

 

0810133536|sip  |0|00|    REFER sip:3051@10.252.122.122:5060 SIP/2.0
0810133536|sip  |0|00|    Via: SIP/2.0/UDP 10.252.149.55;rport;branch=z9hG4bK7837f44881821A4B
0810133536|sip  |0|00|    From: "3031" <sip:3031@10.252.122.122>;tag=A77D1E46-83CDA941
0810133536|sip  |0|00|    To: <sip:3051@10.252.122.122;user=phone>;tag=as159a99e6
0810133536|sip  |0|00|    CSeq: 4 REFER
0810133536|sip  |0|00|    Call-ID: 499db673c842b2a74a7514c42d5b572d
0810133536|sip  |0|00|    Contact: <sip:3031@10.252.149.55>
0810133536|sip  |0|00|    User-Agent: Polycom/5.5.0.20556 PolycomVVX-VVX_600-UA/5.5.0.20556
0810133536|sip  |0|00|    Accept-Language: en
0810133536|sip  |0|00|    Refer-To: <sip:5002@10.252.122.122:5060>
0810133536|sip  |0|00|    Referred-By: <sip:3031@10.252.122.122>
0810133536|sip  |0|00|    Authorization: Digest username="3031", realm="asterisk", nonce="24781e88", uri="sip:3051@10.252.122.122;user=phone", response="d7d4dd59b095a44e255ff631407163cd", algorithm=MD5
0810133536|sip  |0|00|    Max-Forwards: 70
0810133536|sip  |0|00|    Content-Length: 0

In the above scenario, the Poly Phone 3031 conferenced the Phone 3051 into the Meetme conference 5002.

 

Example from the Asterisk meetme.conf:

 

...
conf => 101,123456
conf => 102
...

 

Example from the Asterisk extensions.conf:

 

...

exten => 5001,1,MeetMe(101,123456) exten => 5002,1,MeetMe(102) ...

 

Above examples would either use:

 

  • voIpProt.SIP.conference.address="5001@xxx.xxx.xxx.xxx" to utilize 5001 and a PIN number of 12345
    or 
  • voIpProt.SIP.conference.address="5002@xxx.xxx.xxx.xxx" to utilize 5002 and no PIN number.

 

Hosting Conference Calls

 

You can create a conference with up to two other parties (or more pending above table).

 

After you set up a conference, you can place the conference call on hold, split the conference call into two calls on hold, or end the conference call (and your connection to the conference call participants).

 

Setting Up Conferences

 

You can set up a conference in one of two ways:

 

  • Using the Confrnc soft key.
  • Using the Join soft key, if you have an active call and a call on hold.

To set up a conference using the Conference soft key:

  1. Call the first party.
  2. Press the Confrnc soft key. The active call is placed on hold.
  3. Enter the number of the second party, and then press the Send soft key.
  4. When the second party answers, press the Confrnc soft key to join all parties in the conference, as shown next.
------------------------------------------------
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.

Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
1 REPLY 1
HP Recommended

ObiEdition VVX x50, Poly Egde B, Poly VVX D230 or Poly Rove

 

Poly Edge B

 

Edge B supports both – local conferencing (3-way, 4-way, and 5-way) or external conference bridge.

 

For external conferences, the format for the URL should be the same – user ID or SIP URI.

 

Poly Rove

 

Poly Rove supports local three-way calling with two external contacts

For external conferences, the format for the URL should be the full SIP URI to the external conference bridge, e.g. cbridge@mysipserver.com, and not just the user ID part, e.g. cbridge

Poly VVX D230

 

Poly VVX D230  supports local three-way calling with two external contacts

For external conferences, the format for the URL should be the same – user ID or SIP URI.

Poly VVX Obi Edition

 

Same as Poly VVX D230

 

------------------------------------------------
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.

Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.