Category Archives: Hardware

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Show correct Caller ID on blind call transfers to external

As mentioned in one of my previous blog posts, one of the advantages on using an SBC is to be able to connect any “Direct SIP Trunk” to Lync; Microsoft certified or uncertified – as long as its compatible with the SBC’s settings. This time, I had to connect an uncertified SIP Trunk to Lync.…

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PSTN and Lync (Enterprise Voice): Why would I need an SBC?

This is a question which we ask ourselves regularly. Where I’m working at a Systems Integrator I come around a lot of customers and Lync design sessions. At an era where we have more and more choices of “Direct SIP Trunks” to Lync from ITSP’s (Internet Telephony Service Providers, “PSTN” providers), some may prefer a…

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Polycom CX700 – certificate issue

At many clients I used and installed the Polycom CX700 (aka “Tanjay”) device succesfully. However, during my latest project, it was not that easy. As with every implementation, DNS and WINS were updated for the Device Updater, and DHCP reservations were created for the Polycom device. After installing the update succesfully, I tried to log…

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