SIP Service

Fax Numbers

• Does T38Fax.com support inbound Caller ID?

• Does T38Fax.com support outbound Caller ID?

• Can I keep my current phone number?

• Can I send an anonymous Caller ID?

Definitions

• ECM

• SIP

• T.38

• ATA

• T.30

Troubleshooting

• Some Inbound Calls Not Ringing Through After Port-In

• Collecting Packet Captures

• Problems Making a Call (Outbound Calling)

• How do I contact Support?

FAQ

• Is my Self-Care Password the same as my SIP Password?

• How many simultaneous fax calls can I send/receive?

• How do I dial out of your Service?

• What is ECM and why do I need it?

• Can I place voice calls using T38Fax?

• Are international calls supported?

See all 14 articles

Getting Started

• T38Fax Quick Start Guide

• How do I sign up?

• Can I keep my current phone number?

• Porting in local numbers (LNP Port-In)

• Number Forwarding

• What are your recommended ATAs / analog adapters?

See all 17 articles