What are some alternatives?
When comparing Voxox CloudPhone and Gajim, you can also consider the following products
Line2 - Line2 adds a second phone number or complete cloud business phone system to smartphones & computers that's robust yet affordable. Buy online or get a custom quote.
Pidgin - Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.
HulloMail - Read, play and manage voicemail and missed calls on your smartphone, PC, tablet & email.
Adium - Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.
YouMail - YouMail turns visual voicemail into a personal assistant for handling all your missed calls.
Trillian - Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.