SIP signaling and media
For current SIP signaling addresses, media IP ranges, supported codecs, and regional FQDNs, see sip.telnyx.com.Port requirements
| Service | Ports | Protocol |
|---|---|---|
| SIP signaling | 5060 | UDP/TCP |
| SIP signaling (TLS) | 5061 | TCP |
| RTP media | 16384-32768 | UDP |
| Webhooks | 443 | TCP |
Webhook IP addresses
Whitelist these CIDR blocks to receive webhook notifications.North America
| Region | CIDR Block |
|---|---|
| US-Central (CH1) | 192.76.120.128/29 |
| US-East (DC2) | 192.76.120.136/29 |
| US-West (SV1) | 192.76.120.144/29 |
Europe
| Region | CIDR Block |
|---|---|
| London (LD6) | 185.246.41.0/29 |
| Frankfurt (FR5) | 185.246.41.8/29 |
| Amsterdam (AM6) | 185.246.41.16/29 |
Asia-Pacific
| Region | CIDR Block |
|---|---|
| Sydney (SY1) | 103.115.244.0/29 |
| Singapore (SG1) | 103.115.244.8/29 |
AI Services IP addresses
Whitelist these CIDR blocks if you use Telnyx AI-powered voice services (AI Assistants, TeXML, Conversation Relay, or Call Control API). These are the source IPs from which Telnyx AI services emit webhook tool calls and HTTP callbacks. SIP signaling for AI workloads uses the same edge IPs as the rest of the platform (see sip.telnyx.com).| CIDR Block | Service |
|---|---|
64.16.239.0/24 | AI voice services (US) |