KARACHI, June 27: The Pakistan Telecommunication Company Limited (PTCL), on Friday, announced for the information of telephone customers that a brief interruption of service may occur due to technical reason on June 30th night.

According to a press release, the work for off-loading and upgradation of ISDN, BRI numbers in PECHS from Pak Capital Exchange from 12:00mnt to 2:00am in the midnight of June 30.

The ISDN BRI Rack with the latest technology has recently been added to Alcatel Digital Exchange at PECHS.—PPI