Supported Protocols
-
UDP (default) — Low latency, 30-second keep-alive
-
TCP — Reliable transport, 15-minute keep-alive
-
TLS — Encrypted signalling over TCP
-
SRTP — Encrypted media streams
Network connectivity
-
Equinix Fabric private connections to tier-one Australian carriers
-
BGP routing optimisation
-
AS Number: AS63971
-
Firewall IP Range: 103.55.116.0/24
-
SIP Peering IP: 103.55.116.65
Ports and IP settings
|
Service |
Address or Port |
|---|---|
|
Proxy |
call.sipcity.com.au |
|
TCP/TLS Proxy |
call.sipcity.com.au port 5061 |
|
SIP Peering |
103.55.116.65 (or 103.55.116.0/24) |
|
SIP Registration |
103.55.116.65 (call.sipcity.com.au) |
|
SIP Port — UDP/TLS |
5060, 5061 (ensure transport = TLS) |
|
RTP IPs |
103.55.116.58, 103.55.116.37, 103.55.116.36, 103.55.116.35 |
|
RTP range |
30,000–40,000 (set by customer equipment) |
|
Supported Codecs |
PCMA, PCMU, G729, ILBC, Opus, G722 |
|
Unsupported Codecs |
AMR, G723 |
|
DTMF |
RFC2833, RFC4733 |
|
Dial String (International) |
E164 |
|
P-Asserted-Identity |
P-Asserted-Identity: <sip: [email protected]:5060> |
|
Packetisation time |
20 ms |
Other ports
|
Service |
Port |
|---|---|
|
RTP and UDPTL |
Set by your router (our range: 30,000–40,000) |
|
T.38 (faxing) |
4,000–6,000 |
|
Fax |
fax.sipcity.com.au |
|
Primary NTP |
Network connectivity via Equinix Fabric
For customers connecting to our services, we use Equinix Fabric to establish secure private virtual connections to multiple tier-one Australian carriers. Our BGP routing is optimised to select the best path across these dedicated connections.