Knowledgebase:
Voice Network Details
Posted by Albert Diaz, Last modified by Albert Diaz on 10 October 2018 04:36 PM

SIP Servers

RingLogix operates 2 service specific IP Voice Switches to best meet the needs of our Partners and Customers.

We recommend that you always use the Address and avoid using direct IPs whenever possible.

Service

Address

DNS A record resolution IP

SRV record resolution IPs

SIP Trunking

T38 IP-Fax

Legacy Hosted PBX

sbc.ringlogix.com

192.92.8.30

192.92.8.30

192.92.8.4

Hosted PBX

Hosted Call Center

pbx.ringlogix.com

192.92.8.6

192.92.8.6

216.52.188.132


*Note: Auto provisioned devices, when supported, will use SRV records for improved geo-redundancy. Auto provisioned devices without SRV support may use 1 or 2 addresses for primary/secondary server settings.

If using a Firewall at the customer network, please make sure to whitelist these IP addresses.

 

If you prefer to use white labeled addresses the following options are available.

RingLogix Address

White Labeled Address

sbc.ringlogix.com

sbc.simplelogin.net

pbx.ringlogix.com

pbx.simplelogin.net

 

 

Media

RingLogix operates Media Servers that use the same IPs as the SIP Servers.  

*Note: In some very rare cases where the customer equipment is not behind NAT and or the media server has been forcefully turned off, media may arrive directly from the DID or Termination carrier. Those IPs are constantly revolving and are not documented. Please contact support if this is the case and you need assistance creating firewall whitelist.

 

 

Codecs

RingLogix operates transparent proxies and does not perform transcoding. This ensure your media does not suffer any quality degradation from the transcoding process. Offered codecs will be negotiated by the SIP Server and a matching preferred codec will be used.

 

Supported Audio Codecs:

G.711U (PCMU)*

G.711A (PCMA)

G.722

G.729*

*Note: These codecs should always be enabled to guarantee call completion.

 

Supported Video Codes:

H.263

H.264

 

 

DTMF

RFC2833 should always be the preferred DTMF method.

 

 

IP Fax

RingLogix supports IP Faxing via T.38 and G.711 fallback.

T.38 faxing is supported on most DIDs and Termination carriers and initiated via a T.38 re-INVITE.

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