Voice over IP

We do Voice over IP

We have answers to your questions!

info@haefelin-systeme.ch
+41 33 508 54 06

We will send you an offer!
Let us convince you on the spot with our systems! 

Swisscom, the largest Swiss provider of telephony, Internet and mobile solutions, will shut down its ISDN and analogue telephony network in 2018.

Swisscom – All IP Weblink

Swisscom – All IP as a PDF

All customers who have previously used conventional telephone systems with ISDN or analogue connection will soon have to deal with this topic.

We offer complete telephony and communication solutions!

Added value means:
-Crystal clear voice quality (depending on the building network and Internet access)
-Free-calling with Headsets from Plantronics and Jabra
-Comfort functions such as voice mail messages via mail or incoming fax via PDF
-Call from anywhere for the local tariff (requirement Internet connection)
-Caller ID on the display of your phone
-Networking with your subsidiaries or partner companies (save on telephony fees)
-Integration to Skype 4 Business
-Telephone conferences with your partners at the local rate

Advantages mean to us:
-Investment protection of existing telephone sets
-Brand-independent integration of virtually all SIP-enabled devices
-Automatized configuration of your devices, for a fast rollout even in large environments
-Modular and expandable – systems true to our company principle: “suitable for today flexible for tomorrow”
-Competent and consistent advice and execution: IT network, IT security, voice over IP, project management