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Firewall and ACL configuration for Telnyx SIP signaling, media transport, and webhook delivery.

SIP signaling and media

For current SIP signaling addresses, media IP ranges, supported codecs, and regional FQDNs, see sip.telnyx.com.

Port requirements

ServicePortsProtocol
SIP signaling5060UDP/TCP
SIP signaling (TLS)5061TCP
RTP media16384-32768UDP
Webhooks443TCP

Webhook IP addresses

Whitelist these CIDR blocks to receive webhook notifications.

North America

RegionCIDR 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

RegionCIDR Block
London (LD6)185.246.41.0/29
Frankfurt (FR5)185.246.41.8/29
Amsterdam (AM6)185.246.41.16/29

Asia-Pacific

RegionCIDR Block
Sydney (SY1)103.115.244.0/29
Singapore (SG1)103.115.244.8/29
These ranges also apply to WebSocket stream connections.