t.bassler4 years ago+110What does "Swiss Edition" mean, as in the description ?! Show in original language (German)1 answer
StefanB7913 years ago000Can a Siedle door opener be connected to the S20 telephone system?Show in original language (German)1 answer
info3 years ago000Does it act as a SIP server?Show in original language (French)1 answerLaura Robach3 years ago000 Helpful answerHere is the answer from our responsible department: The customer should contact Yealink customer service directly as the supplier cannot provide me with an answer.Show in original language (French)