The LG-Ericsson iPECS Pure IP product are about to release intergration into SKYPE for calling via the Pure IP PBX.

There will be no need for a SKYPE gateway. With the built-in SIP channels in the iPECS, you will create a SKYPE SIP profile which will connect to the iPECS. You can use your iPECS IP Keyset or softphone to make and receive calls with your SKYPE profile.

If you communicate with businesses/people with SKYPE and need a more intergrated solution, the LG-Ericsson iPECS comes with some really smart features. LG-E has 30+ years in developing PBX's.