Setup tutorials
Step-by-step instructions for connecting a SIP softphone to a PBX or provider. Articles marked "Checked against SIPdia" match the app's current documentation.
- TutorialsChecked against SIPdia
How to Add Multiple SIP Accounts to a Softphone
Add a second SIP account in SIPdia on Mac or iPhone, choose which account to call from with the From picker, keep separate feature codes per account, and see which account each call came in on.
8 November 2026 · 5 min read
- Tutorials
How to Configure a SIP Extension in FreePBX
For FreePBX administrators: add a PJSIP extension under Applications > Extensions, set the secret and Advanced options, check the port and codecs under Asterisk SIP Settings, apply the config, and confirm a phone registers.
9 November 2026 · 5 min read
- Tutorials
How to Configure a SIP Extension in Issabel
Step-by-step for Issabel administrators: add an extension under PBX > PBX Configuration > Extensions, set the secret, codecs, DTMF and NAT options, apply the configuration, and check that a phone registers.
9 November 2026 · 6 min read
- Tutorials
How to Connect a Softphone to an Asterisk PBX
Generic steps to register any SIP softphone with Asterisk: collect the extension details, map them to the softphone's fields, fix NAT and codecs, verify registration, then the exact fields for SIPdia on macOS and iPhone.
9 November 2026 · 5 min read
- TutorialsChecked against SIPdia
How to Connect a Softphone to an ISP or Provider SIP Account
Find the SIP settings in your provider's portal, map registrar, port, username, password and auth username to SIPdia's fields, pick TLS and SRTP, add STUN and ICE for NAT, and clear PBX feature codes.
8 November 2026 · 6 min read
- Tutorials
How SIP Extensions Work in Asterisk
Learn how an Asterisk PJSIP extension is built from an endpoint, an auth and an AOR, how a context ties it to the dialplan, and what happens on the wire when a phone registers and calls.
9 November 2026 · 5 min read
- Tutorials
How SIP Trunks Work
A SIP trunk connects a PBX to the telephone network over the internet. Learn how trunks differ from extensions, registration versus IP authentication, DIDs, codecs, channels, and where a softphone fits in.
9 November 2026 · 7 min read
- Tutorials
SIP Registration: PBX Extension vs Provider Account
A PBX extension and a provider SIP account register the same way but differ in where credentials come from, feature codes, NAT handling and security exposure. Here is how each maps to a softphone's fields.
9 November 2026 · 7 min read
- TutorialsChecked against SIPdia
How to Set Up a SIP Softphone on iPhone and iPad with SIPdia
Register a PBX extension or provider SIP account in SIPdia for iPhone and iPad: fill the Account tab, tap Add and Register, allow the permissions and answer calls on the system call screen.
9 November 2026 · 6 min read
- TutorialsChecked against SIPdia
How to Set Up a SIP Softphone on macOS with SIPdia
Register a PBX extension or provider SIP account in SIPdia for Mac: sign in, fill the Account page, click Save and Register, allow the permission prompts and make a first call.
9 November 2026 · 7 min read
Get SIPdia for your Mac, iPhone or iPad
Bring the SIP account you already have. The Mac and iPhone apps are in release preparation; download links appear on the download page when each release is live.
