Support · Configuration guides
Configure your SIP Trunk with PortalPBX
Step-by-step guides to connect the PortalPBX SIP trunk to your PBX, softphone or mobile app. If you get stuck, our team helps you remotely.
Guides by platform

IP PBX (web UI on Asterisk)
Issabel
Set up the PortalPBX SIP trunk in Issabel from the web UI: trunk, inbound route per DID and outbound route.
Open guide →
Asterisk with PJSIP (config files)
Asterisk
Manual PortalPBX trunk setup in Asterisk 16+ with chan_pjsip: registration, authentication, endpoint and dialplan.
Open guide →
FreePBX 15+ (PJSIP trunk)
FreePBX
Adding the PortalPBX SIP trunk in FreePBX with chan_pjsip, plus inbound and outbound routes.
Open guide →
Elastix 2.x / 4.x (chan_sip)
Elastix
Trunk setup in Elastix, very similar to Issabel. Elastix no longer receives updates: we recommend migrating.
Open guide →
FreeSWITCH (Sofia gateway)
FreeSWITCH
SIP gateway to PortalPBX in the FreeSWITCH external profile, with inbound and outbound dialplan.
Open guide →
Zoiper, MicroSIP, Linphone and similar (PC)
Softphones
Register a desktop softphone on your PortalPBX extension or trunk using the same SIP details.
Open guide →
Android and iOS (Zoiper, Linphone, Groundwire and similar)
Apps móviles
Use your PortalPBX extension on your phone with a SIP app, over Wi-Fi or mobile data.
Open guide →Illustrative images.
What you need
We send these details when the trunk is activated. The guides use placeholders in angle brackets.
- SIP server (host or domain)
- <servidor-sip>
- Port and transport
- <puerto> · UDP / TCP / TLS
- SIP username
- <usuario>
- SIP password
- <contraseña>
- Assigned DID number(s)
- <DID>
- Authentication mode
- Registro / IP
- Enabled codecs
- G.711 (alaw/ulaw) · G.729*
Key recommendations
Disable SIP ALG
Avoids one-way audio and dropped registrations.
G.711 first
alaw/ulaw first; G.729 only if enabled.
NAT set correctly
Public IP, local network and RTP range open.
Security
Firewall and long passwords against fraud.
Need a hand?
We configure it with you, remotely
If the manual setup does not work, contact support or open a ticket. We review registration, routes, codecs and NAT with you through a secure remote session.
Don't have a trunk yet?