Telephone Services – ISD

Telephone Services

photo of telephoneISD provides County departments with end-to-end delivery – including hardware provisioning and installation – of telephone services to customer desktops and telephone network access. We also provide project management of telephone service solutions including mechanical drawings for sites and equipment and coordination of site prep for installation.


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Site prep, planning & cabling

Detailed analysis of customer business needs, site drawings and equipment procurement.

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Plans & maintenance

Provision of dial and call plans including user role-based options, repair, maintenance and training.

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Online billing & directories

Availability of online billing details and support for County and carrier directory phone listings.

Learn More

Robert Aragon
(562) 940-2065


24-hours a day, 365 days a year

Monday-Friday 6am to 6pm

(562) 940-2065

Accessibility compliance
ISD provides telephone system solutions that comply with the County’s security standards as well as policies for accessibility.
Cost savings
ISD telephone systems utilize the Countywide network infrastructure which provides cost savings through support of the County and carrier directory phone listings.
On-demand service
ISD telephone services allow your organization to quickly deploy telephone systems without the cost and time of procurement, supplemental staffing or contract services.