CCA Backs USTelecom Call Blocking Recon Petition
Allow the use of session initiation protocol 603 for blocked calls, said the Competitive Carriers Association in backing USTelecom's call-blocking petition for reconsideration, in a letter Thursday in FCC docket 17-59 (see 2106150062). Defer "any requirements to return SIP Codes…
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607 and 608 for blocked calls until standards-setting bodies have finalized the standards for those codes and complexities in deploying SIP Codes 607 and 608 can be resolved," CCA said.