Frequently Asked Question
Configuration for Wholesale in other devices or softswitches
Last Updated about a month ago
▸ Technical Guide — Wholesale / Softswitches
Configuration for Wholesale on other devices or softswitches
Asterisk · FreePBX · OpenSIPS · Kamailio · and other SIP devices
⚠ Basic reference values: This guide contains the minimum recommended configuration. Your device may require additional parameters not listed here. Contact us if you have questions.
???? SIP Credentials: The username and password are your SIP Account credentials — NOT your web portal credentials. Find them in the SIP Accounts / VoIP Accounts / extension data section of your AJTEL portal.
Available Servers
| Server | Host (IP) | Domain (fromdomain) | TLS + SRTP |
| SBC-TLS (con TLS) | sbc-tls.ajtel.net | sbc-tls.ajtel.net | ✓ MANDATORY |
| SBC | sbc.ajtel.net IP: 216.238.73.38 ⚠ Usar IP solo sin TLS | sbc.ajtel.net | ✗ NOT required |
▸ If you are not sure which server your account is on, contact us. Most accounts use sbc-tls.ajtel.net.
Configuration Parameters Server SBC-TLS
Enter the following values in your device, softswitch or configuration file:
| username | = | (SIP ACCOUNT) ← NOT your web login |
| secret | = | (PASSWORD SIP) ← NOT your web password |
| host | = | sbc-tls.ajtel.net |
| fromdomain | = | sbc-tls.ajtel.net |
| dtmfmode | = | rfc2833 |
| defaultexpiry | = | 180 |
| allow | = | opus&g722&g729&gsm&ulaw&alaw |
| nat | = | force_rport,comedia |
| trustrpid | = | yes |
| sendrpid | = | yes |
| transport | = | tls |
| encryption | = | yes |
| port | = | 5061 |
Registration String Crítico
Use the following format for the register field, replacing the values in braces with your SIP credentials:
register = tls://{sipuser}:{sip-password}@sbc-tls.ajtel.net
| {sipuser} | Your SIP username — NOT your web login |
| {sip-password} | Your SIP password — NOT your web password |
Server SBC No TLS
If your account is hosted on the SBC server, use the following values. This server does NOT require TLS:
| host | = | sbc.ajtel.net — o por IP: 216.238.73.38 |
| ⚠ If using the IP directly, do NOT use TLS (the certificate is bound to the hostname) | ||
| fromdomain | = | sbc.ajtel.net |
| transport | = | udp (no TLS) |
| port | = | 5060 |
▸ All other parameters (codecs, NAT, DTMF, credentials) are the same as the SBC-TLS server.
● TLS — Mandatory (sbc-tls.ajtel.net) El protocolo TLS es obligatorio para el servidor SBC-TLS. No TLS el tráfico será rechazado. transport=tls / port=5061 | ???? SRTP — Audio Encryption Also enable SRTP media encryption to ensure complete call security. encryption=yes |