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Lifesize HD
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Video Conferencing
Try before you Buy!
Cisco Tandberg
Cisco SX and C-Series
Tandberg MXP
Polycom Group Series
Polycom HDX
Polycom HDX 9000 Series
Polycom HDX 8000 Series
Polycom HDX 7000 Series
Polycom HDX 6000 Series
Polycom HDX Accessories
Upstream Meeting Rooms
Lifesize Cloud - Corporate Solution
Vidyo - SME Solution
USB Huddle Room Systems
Lifesize HD
Yealink Video
Avaya Radvision
Upstream VoIP
Hosted VoIP Information
Hosted VoIP Features
How much is VoIP?
Suitable Businesses for VoIP
TAPI / CRM Integration with VoIP
Upstream VoIP Support
VoIP Conference Calling
How does VoIP work?
Frequently Asked VoIP Questions
Terms and Conditions
Hosted VoIP Infographic
VoIP Phones
Order VoIP Now
Free VoIP Trial
Upstream Log in
Information
Buying Second User Equipment
Selling Used Equipment
Hiring Video Conferencing Systems
The VC Warehouse Warranty
Internet Provision
Knowledge Base
Medical Video Conferencing
Contact Us
Knowledge Base
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V
oIP : SIP Spamming
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SIP
Spamming
- are you getting Hoax VC calls?
"
SIP
Spamming
" These
SIP
Spam calls originate from computers which are run by individuals who are actually looking for VOIP phone systems. These computers try to connect to hundreds and thousands