Mitel 6920 phone registered and online. However, not able to receive or make calls

Question

I’ve registered my Mitel 6920 phone and the status shows registered. On the ring central portal the phone shows Online. However I’m unable to make or receive phone calls. What am I missing??

Device

Existing Phone

Change PhoneResyncSet Up and Provision

Serial Number: N/A

Assigned Type: User Phone

Equipment: BYOD

Status: Online

Attribute	LAN Port	PC Port
Network Status
Link State	Up	Down
Negotiation	Auto	Auto
Speed	1000Mbps	10Mbps
Duplex	Full	Half

Hardware Information
Attribute	Value
MAC Address:	xxxxxx
Platform	6920 Rev: D11(7,8)

Firmware Information
Attribute	Value
Firmware Version	6.3.0.81
Firmware Release Code	SIP
Date/Time	Oct 18 2022 21:46:07
Boot Version	Boot2 2.1.0.2 Feb 9 2022 21:50

SIP Status
Line	SIP Account	Status	Backup Registrar Used?
1	xxxxxx@sip.ringcentral.com:5060	Registered	No
2	xxxxxx@sip.ringcentral.com:5060	Registered	No

Problem Solver · Accepted Answer

looks like you had to usemanual provisioning instead of auto-provisioning. (Rev D11)Did you use Outbound Proxy Port 5096 or 5090 (in other words did you use TLS or UDP transport protocol?)If you used TLS (port 5096) then you should also enable Secure RTP and probably Secure RTP Auth- both of these.If this doesn’t help I am out of ideas, and can recommend that you reachout to support and provide them logs

carl_voip_001 · Answer

Brilliant. All the points awarded!Basically, all I did was to keep the Mitel using UDP, (default setting), and continued to use port 5090 and the only think I changed was to select the “No” option for TLS, and click the done button and voila! I can make calls!Thanks so much,Carl

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