Jajah is taking yet another milestone - 10 Mio users (that is downloads I guess) and integration into yahoo messenger. The Jajah guys are really pushing the already impressive success story.

Yahoo's PhoneIn/PhoneOut was never a real hit but with Jajah it may only get better:

The partnership leverages JAJAH's open, next-generation communications
platform to support the existing Yahoo! Messenger voice offering beginning
in the third quarter of this year. Through this collaboration and managed
service offerings, JAJAH will provide Yahoo! Messenger users with an instant
Internet telephony network, merging the best of traditional and IP
telephony.

Since 2006, Yahoo! Messenger users have been able to use "Phone In" and
"Phone Out" to make and receive voice calls on their PC to and from landline
and mobile phones. With low rates and premium voice quality, users can talk
for hours and save on their phone bill. This deal means JAJAH will take
over the provision of the telephony infrastructure, payment processing, and
customer care for Yahoo!'s premium voice users who make and receive voice
calls through Yahoo! Messenger.

For me Jajah is the best one out there because it simply has great connections. Most other VOIP services offer pretty much the same service but suck in call quality. Jajah is usually better even compared to mobile-mobile direct connections.

However Jajah should invest a bit more in it's existing user base. Somehow there is little going on in my eyes to increase ARPU (average revenue per user). Here is my top wish list:

- full call history (web and mobile) that syncs automatically
- more stable mobile app (mine works but only soso on Nokia N80)
- a better and faster web interface (the new release has no 'connect' button!
- more call back numbers (just three in web and one mobile)
- a working credit card payment system (and support for paypal/ moneybookers) -> my account became unusable after changing the credit card
- good support for all subscriber with decent revenue (i consider myself so)

### Update:

Frederik got back to me with comments and suggestions on my wish list :)

1) JAJAH is download-free - 10 million users not downloads is what the company is referring to

2) Mobile apps are being phased out - http://mobile.jajah.com

3) The call button should work by now again

4) The credit card system is heavy on fraud prevention an produces some weird bugs - they are fixing that.

5) Support is being shifted and not yet up and running but he promises improvements there soon as well.