Caller IDs need to be numeric with at least six digits. Calls with caller IDs that don't satisfy this condition will be dropped with Zentrunk hangup code 4130 or 4140. Plivo strongly recommends caller IDs be in E.164 format.
Caller IDs need to be numeric with at least six digits. Calls with caller IDs that don't satisfy this condition will be dropped with Zentrunk hangup code 4130 or 4140. Plivo strongly recommends caller IDs be in E.164 format.