Xelor Software conducted a survey at VoiceCon to rate the satisfaction of network and telephony professionals with enterprise IP telephony (IPT). The results showed holes in effective service quality management solutions to ensure the reliability, maintain satisfaction among existing users, and speed up new system deployment--and that solutions are still immature.
Respondents said that existing QoS techniques aren't sufficient to make IP telephony as reliable as circuit-switched phone systems. Although more than 75% of respondents with IPT deployed have QoS procedures, more than 60% continue to receive complaints from users regarding voice call quality and reliability.
More than 70% of respondents who have not implemented IPT say that significantly more maturity must exist before it will match the reliability of circuit-switched telephony, with 60% of this group experiencing first-hand IP telephony problems.
IPT maturity, continuing functionality of existing infrastructure, and cost are cited by non-implementers as reasons for delaying or postponing deployment. Of those implementing IPT, 34% had deployed more than 500 endpoints, and 66% had deployed fewer than 500. Of these, 44% had deployed in fewer than four separate sites.
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