Hardware selection

Article (3)

Mobile devices: Is internal storage necessary?
The question of whether or not we need internal storage on smartphones or handhelds has come to a head.
Microsoft unveils unified communications devices
Microsoft unveils unified communications devices.
VoIP startup untethers would-be mobile workers from wireline office phones
VoIP startup DiVitas Networks has voice-over-WiFi-to-cellular technology in the works that gives endusers access to enterprise apps and puts dual-mode handset management in the hands of network administrators.

Tips (4)

Getting ready for fixed mobile convergence
Fixed mobile convergence deployment options and equipment are presented in this tip.
Beyond Asterisk -- Other open source PBXs
Asterisk is the most widely known open source PBX, but other developers are making competitive products in the unified communications market. Learn more in this tip from Gary Audin.
Why do VoIP calls remain active after the phone call is ended?
For our small business needs, we use a Linksys PAP for our IP telephony service. Sometimes though, we noticed that the call will remain active after we have ended the call and hung up. How do we configure the ATA or gateway to avoid this problem?
Is SIP really better than HTTP? Follow-up to why use SIP.
In a previous question, I asked why should I use SIP when my application built on HTTP works fine. You replied that SIP provides URL dialing. Yet, so does my application, with better session routing for all packets. Would you please elaborate? Can you give me any idea how much it will cost me to setup a SIP environment in an office, with SIP proxy and registration? How much will a STUN/TURN server cost? How much does heavy client of SIP increase the price of a telephone set?

General Content (1)

Comparing VoIP vendors
For many companies, the tough decision isn't whether to use IP telephony or not -- it's which vendor to choose. We've collected some of Carrie Higbie's tips and tricks for vendor selection, garnered from her "Ask-the-Expert" section. Carrie regularly answers your questions on the topic of "Preparing your network for VoIP." We've included links to her answers about comparing VoIP vendors for further information.

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