Firewall Port for VoIP phones

Xten softphones

Port Type Number Service
UDP 3478 STUN SERVER COMMUNICATIONS
UDP 5060/5061 SIP COMMUNICATIONS (plus custom ports)
UDP 5082 SIP COMMUNICATIONS (OUTBOUND PROXY)
UDP 8000 – 8012 RTP, RTCP, VOICE

Two additional ports after 8001 are required for each additional line used. For example, if using a second line, UDP ports 8002-3 will be used.

Linksys Range of phones/Adaptors

Port Type Number Service
UDP 53 DNS PORT
UDP 3478 STUN SERVER COMMUNICATIONS
UDP 5060/61 SIP COMMUNICATIONS (plus custom ports)
UDP 5082 SIP COMMUNICATIONS (OUTBOUND PROXY)
UDP 49152-65534 RTP,RTCP,VOICE

Sipura Range of phones

Port Type Number Service
UDP 53 DNS PORT
UDP 3478 STUN SERVER COMMUNICATIONS
UDP 5060/61 SIP COMMUNICATIONS (plus custom ports)
UDP 5082 SIP COMMUNICATIONS (OUTBOUND PROXY)
UDP 16384-16482 RTP,RTCP,VOICE

SNOM Range of phones

Port Type Number Service
TCP 123 Time Server
UDP 53 DNS PORT
UDP 3478 STUN SERVER COMMUNICATIONS
UDP 5060/61 SIP COMMUNICATIONS (plus custom ports)
UDP 5082 SIP COMMUNICATIONS (OUTBOUND PROXY)
UDP 49152-65534 RTP,RTCP,VOICE

Flexor 151 Adaptor

Port Type Number Service
UDP 53 DNS PORT
UDP 3478 STUN SERVER COMMUNICATIONS
UDP 5060/5066 SIP COMMUNICATIONS (plus custom ports)
UDP 5082 SIP COMMUNICATIONS (OUTBOUND PROXY)
UDP 5004 RTP,RTCP,VOICE

Grandstream Range of Products

Port Type Number Service
UDP 53 DNS PORT
UDP 3478 STUN SERVER COMMUNICATIONS
UDP 5060/61 SIP COMMUNICATIONS (plus custom ports)
UDP 5082 SIP COMMUNICATIONS (OUTBOUND PROXY)
UDP/TCP 5004 RTP,RTCP,VOICE

Cisco Products

Port Type Number Service
UDP 53 DNS PORT
UDP 3478 STUN SERVER COMMUNICATIONS
UDP 5060/61 SIP COMMUNICATIONS (plus custom ports)
UDP 5082 SIP COMMUNICATIONS (OUTBOUND PROXY)
UDP/TCP 16384 to 32768 RTP,RTCP,VOICE

Asterisk servers

Port Type Number Service
UDP 5060 SIP COMMUNICATIONS
UDP 4569 IAX2 PROTOCOL
UDP 5036 IAX PROTOCOL
UDP 10000-20000 RTP MEDIA STREAM
UDP 2727 MEDIA GATEWAY CONTROL

Siemens Range of phones/Adaptors

Port Type Number Service
UDP 53 DNS PORT
UDP 3478 STUN SERVER COMMUNICATIONS
UDP 5060/61 SIP COMMUNICATIONS (plus custom ports)
UDP 5082 SIP COMMUNICATIONS (OUTBOUND PROXY)
UDP 5004-5020 RTP,RTCP,VOICE

Yealink Range of Products

Port Type Number Service
UDP 53 DNS PORT
UDP 3478 STUN SERVER COMMUNICATIONS
UDP 5060/65 SIP COMMUNICATIONS (plus custom ports)
UDP 5082 SIP COMMUNICATIONS (OUTBOUND PROXY)
UDP 11780-11800 RTP,RTCP,VOICE

Hosted Unified Comms – Telepo Softphone

Port Type Number Service
TCP 443
TCP 80
TCP 5060
TCP 5061
UDP 49152-65535 RTP,RTCP,VOICE

If you are only allowing your firewall to accept connections from certain IP addresses then these IPs will be the most common ones used by us (we do not recommend this as our network is dynamic):