Issue history Provision of Telephony / Unified Communications 2019/03/01G Issue Details Issue History Related Decisions 01/02/2019 - Published in plan, The Register of Key Decisions February 2019 to May 201912/03/2020 - Published decision: Provision of Telephony / Unified Communications 2019/03/01G19/03/2020 - Call-in period expired: Provision of Telephony / Unified Communications 2019/03/01G