Public Switched Telecom Network (PSTN) Central London> City of London
The table below provides summary statistics and salary benchmarking for jobs advertised in the City of London requiring PSTN skills. It covers permanent job vacancies from the 6 months leading up to 18 November 2025, with comparisons to the same periods in the previous two years.
PSTN falls under the Communications and Computer Networking category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring communications or computer networking skills in the City of London.
Permanent vacancies with a requirement for communications or computer networking skills
168
443
429
As % of all permanent jobs advertised in the City of London
9.89%
15.99%
14.07%
Number of salaries quoted
137
251
390
10th Percentile
£33,800
£39,000
£34,993
25th Percentile
£37,500
£50,000
£45,125
Median annual salary (50th Percentile)
£55,000
£67,500
£62,884
Median % change year-on-year
-18.52%
+7.34%
+0.61%
75th Percentile
£82,500
£85,625
£77,500
90th Percentile
£95,000
£112,500
£95,125
Central London median annual salary
£55,000
£65,000
£60,000
% change year-on-year
-15.38%
+8.33%
-
PSTN Job Vacancy Trend in the City of London
Historical trend showing the proportion of permanent IT job postings citing PSTN relative to all permanent IT jobs advertised in the City of London.
PSTN Salary Trend in the City of London
Salary distribution trend for jobs in the City of London citing PSTN.
PSTN Top 24 Co-Occurring Skills & Capabilities in the City of London
For the 6 months to 18 November 2025, job vacancies citing PSTN also mentioned the following skills and capabilities in order of popularity.
The figures indicate the absolute number of co-occurrences and as a proportion of all permanent job ads across the City of London region with a requirement for PSTN.
PSTN Co-Occurring Skills & Capabilities in the City of London by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category: