FAQ

Frequently Asked Questions

Here we provide answers to the most common questions about VoIP, SIP, VoIP Phone System hardware and software implementation from users. Our support team welcomes the opportunity to answer your questions.

GENERAL

How does an SIP PBXpress works?

What do the terms FXS and FXO mean?

What is SIP PBXpress?

What is SIP?

I use a SIP phone with SIP PBXpress and I can place calls. But when I dial into VoiceMail the SIP PBXpress doesn't recognize any digits. What can I do ?

What ports does SIP use?

What are the differences between FXS and FXO interfaces?

How do I install SIP PBXpress?

Do you have screen shots of the SIP PBXpress configuration software?

Do you have an on-line demonstration or an evaluation download?

EQUIPMENT

Does PBXpress come with phones?

Can I use a softphone?

Do I need a sound card for music on hold or voicemail?

SIP PBXpress INSTALLATION AND CONFIGURATION

How do I install SIP PBXpress?

How many extensions can I have?

Can I use my modem to connect to the PSTN?

What is STUN? Should I use STUN?

Which NTP server can I use?

What is an Outbound proxy? Should I put an Outbound proxy in the field?

What is the difference between "User ID" and "Authentication ID"?

APPLICATION PROBLEMS

Can I use my modem to connect to the PSTN?

How do I run SIP PBXpress outside my NAT with SIP clients on the inside?

Which Protocol's and codecs do you support?

When I make a call, I can not hear the voice from the receiver/caller. What can i do?

I can make Outgoing calls but I cannot receive any Incoming calls?

-> Support Online

If you have any questions, need information, have suggestions or need help with PorticoSoft SIP PBXpress, then please click here:
PorticoSoft Support Team