[asterisk-users] How many users can be supported simultaneously?

Tue May 1 09:14:54 MST 2007

Will you be allowing reinvites? If the server processes media, it will
obviously support less simultaneous calls. Also, you may want to rethink the
wireless portion. Odds are you will have horrible QoS problems if you run
multiple calls or mixed traffic over wireless. BTW, what do you use VPN for?
Is this for remote access or for securing VoIP calls?

If you are running SIP/G.711, you will need roughly 82.4 kb/s bandwidth. You
won't  have a bandwidth problem unless you're moving a massive amount of
traffic through your VPN or web server. You will likely have a horrible QoS
problem. 

My best guess is that you could push approximately 25 simultaneous calls
with no codec conversion, but I wouldn't expect good quality audio.

--------------------------------------------------
Salvatore Giudice
Salvatore.Giudice at VoIPSecurityTraining.com

VoIP Security Training, LLC
http://VoIPSecurityTraining.com

848 N. Rainbow Blvd. #1676
Las Vegas, NV 89107
Phone: (617) 959-7625
Fax: (214) 279-2906

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Antonopoulos
Angelos
Sent: Tuesday, May 01, 2007 11:31 AM
To: asterisk-users at lists.digium.com
Subject: [asterisk-users] How many users can be supported simultaneously?

I have a pc with the following characteristics:

Pentium IV 2.4Ghz HyperThreading

512 MB PC3600 Dual DDR RAM

Seagate 80GB SATA HDD

4-port ethernet 10/100 PCI Card

Netgear MA-311 802.11b Wireless Card

On this machine runs a VPN server, an Apache server and an Asterisk

Does anyone know or have experience about the number of users that could be
supported for VoIP at the same time?It is a Wireless Lan over 802.11b

I have checked in wikipedia but I did not find something

Thanks

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