I have SPAM problem whenever we try to send email via Outlook the email immediantelly returns whith the error below:Your message did not reach some or all of the intended recipients. Subject: Voice Destination - Sudan Sent: 9/30/2009 9:49 A...

we need to implement VoIP Service and interconnect with exiting fixed line so that Fixed line subscriber can make outgoing calls and receive incoming calls through VoIP, therefore we need to buy Cisco router that can handle 120 calls concurrently and...

Hello, I need to interconnect two Cisco routers (2811 and A5300) through IP, and my purpose is to use 2811 as NAT service provider to translate between Private and Public, so that office LAN can use Private IP to access the internet.AS5300 is working...