Using SIP Broker service, it is possible to call to Google Talk, MSN/Live Messenger or Yahoo Messenger users from mobile or landline phones (PSTN). Show me how to use
Free outgoing calls to SIP phones:
Free of charge service available for all Google Talk, MSN/Live Messenger and Yahoo Messenger users, which allows to make calls to any SIP complient phone, gateway or device.
This service allows you to call Gizmo Project users also. Show me how to use
Free incoming calls from SIP network:
Free of charge service, allows to receive incoming SIP calls from any SIP complient phone, gateway or device.
This service allows you to accept calls from Gizmo Project users also.
Voice mail is a free voice service for IM users. It is accessable via a simple command-based interface (via IM messeging to service bot).
Voie mail messages can be sent between all voice capable IM clients, either Google Talk, MSN/Live Messenger or Yahoo Messenger.
Voice mail messages can be send to the users who are not available at the moment (off-line).
When a user signs in to his/her instant messenger, he/she gets a notivicate message with a list of unread voicemails.
Voice mail messages are limited in duration: 120 secs max.
Currently there is no limit for a number of messages sent or stored in mailbox. Show me how to use
Voice conferencing service:
Any IM user can create one or more conference rooms and invite his/her friends to join the conference.
Different types on users are possible to join same conference room.
Each time a new conference room is created a cookie (text string of 16 characters) is sent back to the creator who becomes a room master.
Anybody can join anyone's conference rooms knowing the cookie associated to a room.
When the master leaves the room it is automatically closed and all participants are disconnected from the conference.
When someone is joining your conference room an information message is displayed to you.
For those who join a room a list of current participants is displayed.
Outgoing telephone calls can be made and join outside of a conference session by a room master. These calls are placed and charged as described in "Outgoing calls service" above. Show me how to use
Free off-line messaging:
It's simple. When your friend is off-line you can still send him/her messages via service@gtalk2voip.com (gtalk2voipXXX@yahoo.com for Yahoo users).
When your friend comes back on-line your message will be instantly send to him/her. Show me how to use
Free Instant Messaging interoperability:
Send IM messages between SIP/SIMPLE, Jabber/Google Talk and MSN/Live Messenger.
Allows you to receive your customers phone calls directed from your web site or home page.
No additional software is require to install, neither for you nor for your customers.
Neither you nor your customer knows each other's phone numbers or GTalk IDs.
All you need is just to put a small icon into your contact list or in goods description on your web site. Show me how to use
GTalk2VoIP for Your Domain service:
For those who use Google Talk and Gmail on their own domain, either by using "Google For Your Domain" service or just by registering such Google Talk accounts, we can offer to use our gateway to receive SIP calls directly to the Google Talk.
Allows you to receive your customers phone calls direct from your web site or home page.
No needs to install sophisticated soft-switches or to buy expensive hardware, just sign in to your Google Talk and subscribe to the service.
Save up to 85% anywhere in the world from any phone 
@ MobileCaller.com